mirror of
git://git.sv.gnu.org/autoconf
synced 2024-11-21 01:01:48 +08:00
replace some AC_DEFUN calls with define for speed
This commit is contained in:
David MacKenzie
parent
159b632c3e
commit
f46c1ab38b
167
acgeneral.m4
167
acgeneral.m4
@ -40,7 +40,7 @@ undefine([shift])
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undefine([format])
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dnl ### Controlling Autoconf operation
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dnl ### Defining macros
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dnl m4 output diversions. We let m4 output them all in order at the end,
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@ -101,11 +101,17 @@ dnl so the macro automatically switches expansion to the diversion
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dnl stack if it is not already using it. In this case, once finished,
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dnl it will bring back all the code accumulated in the diversion stack.
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dnl This, combined with AC_REQUIRE, achieves the topological ordering of
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dnl macros.
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dnl macros. We don't use this macro to define some frequently called
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dnl macros that are not involved in ordering constraints, to save m4
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dnl processing.
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dnl AC_DEFUN(NAME, EXPANSION)
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define([AC_DEFUN],
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[define($1, [AC_PRO([$1])$2[]AC_EPI()])])
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dnl ### Controlling Autoconf operation
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dnl AC_INIT_NOTICE()
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AC_DEFUN(AC_INIT_NOTICE,
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[# Guess values for system-dependent variables and create Makefiles.
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@ -204,8 +210,7 @@ changequote([, ])dnl
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*) ac_optarg= ;;
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esac
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# Accept (but ignore some of) the important Cygnus configure
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# options, so we can diagnose typos.
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# Accept the important Cygnus configure options, so we can diagnose typos.
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case "$ac_option" in
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@ -514,17 +519,22 @@ dnl Let the site file select an alternate cache file if it wants to.
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AC_SITE_LOAD
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AC_CACHE_LOAD
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AC_LANG_C
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AC_PROG_ECHO_N
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dnl Substitute for predefined variables.
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AC_SUBST(LIBS)dnl
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AC_SUBST(prefix)dnl
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AC_SUBST(exec_prefix)dnl
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AC_SUBST(DEFS)dnl
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AC_SUBST(CFLAGS)dnl
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AC_SUBST(CXXFLAGS)dnl
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AC_SUBST(CPPFLAGS)dnl
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AC_SUBST(CXXFLAGS)dnl
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AC_SUBST(DEFS)dnl
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AC_SUBST(LDFLAGS)dnl
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AC_SUBST(LIBS)dnl
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AC_SUBST(exec_prefix)dnl
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AC_SUBST(prefix)dnl
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])
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dnl ### Selecting optional features
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dnl AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
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AC_DEFUN(AC_ARG_ENABLE,
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[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
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@ -567,9 +577,9 @@ AC_DEFUN(AC_WITH,
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AC_ARG_WITH([$1], [ --with-$1], [$2], [$3])dnl
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])
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dnl AC_CONFIG_HEADER(HEADER-TO-CREATE ...)
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AC_DEFUN(AC_CONFIG_HEADER,
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[define(AC_LIST_HEADER, $1)])
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dnl ### Version numbers
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dnl AC_REVISION(REVISION-INFO)
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AC_DEFUN(AC_REVISION,
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@ -580,19 +590,19 @@ dnl Subroutines of AC_PREREQ.
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dnl Change the dots in NUMBER into commas.
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dnl AC_PREREQ_SPLIT(NUMBER)
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AC_DEFUN(AC_PREREQ_SPLIT,
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define(AC_PREREQ_SPLIT,
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[translit($1, ., [, ])])
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dnl Default the ternary version number to 0 (e.g., 1, 7 -> 1, 7, 0).
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dnl AC_PREREQ_CANON(MAJOR, MINOR [,TERNARY])
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AC_DEFUN(AC_PREREQ_CANON,
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define(AC_PREREQ_CANON,
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[$1, $2, ifelse([$3], , 0, [$3])])
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dnl Complain and exit if version number 1 is less than version number 2.
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dnl PRINTABLE2 is the printable version of version number 2.
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dnl AC_PREREQ_COMPARE(MAJOR1, MINOR1, TERNARY1, MAJOR2, MINOR2, TERNARY2,
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dnl PRINTABLE2)
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AC_DEFUN(AC_PREREQ_COMPARE,
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define(AC_PREREQ_COMPARE,
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[ifelse(builtin([eval],
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[$3 + $2 * 100 + $1 * 10000 < $6 + $5 * 100 + $4 * 10000]), 1,
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[errprint(Autoconf version $7 or higher is required for this script
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@ -600,43 +610,10 @@ AC_DEFUN(AC_PREREQ_COMPARE,
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dnl Complain and exit if the Autoconf version is less than VERSION.
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dnl AC_PREREQ(VERSION)
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AC_DEFUN(AC_PREREQ,
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define(AC_PREREQ,
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[AC_PREREQ_COMPARE(AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)),
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AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), [$1])])
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dnl Run configure in subdirectories DIR...
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dnl Not actually done until AC_OUTPUT_SUBDIRS.
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dnl AC_CONFIG_SUBDIRS(DIR ...)
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AC_DEFUN(AC_CONFIG_SUBDIRS,
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[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
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define([AC_LIST_SUBDIRS], [$1])dnl
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subdirs="AC_LIST_SUBDIRS"
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AC_SUBST(subdirs)dnl
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])
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dnl Guess the value for the `prefix' variable by looking for
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dnl the argument program along PATH and taking its parent.
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dnl Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
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dnl set `prefix' to /usr/local/gnu.
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dnl This comes too late to find a site file based on the prefix,
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dnl and it might use a cached value for the path.
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dnl No big loss, I think, since most configures don't use this macro anyway.
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dnl AC_PREFIX_PROGRAM(PROGRAM)
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AC_DEFUN(AC_PREFIX_PROGRAM,
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[if test "x$prefix" = xNONE; then
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changequote(<<, >>)dnl
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define(<<AC_VAR_NAME>>, translit($1, [a-z], [A-Z]))dnl
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changequote([, ])dnl
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AC_PATH_PROG(AC_VAR_NAME, $1)
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changequote(<<, >>)dnl
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if test -n "$ac_cv_path_<<>>AC_VAR_NAME"; then
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prefix=`echo $ac_cv_path_<<>>AC_VAR_NAME|sed 's%/[^/][^/]*/[^/][^/]*$%%'`
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changequote([, ])dnl
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fi
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fi
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undefine([AC_VAR_NAME])dnl
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])
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dnl ### Canonicalizing the system type
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@ -801,7 +778,7 @@ dnl ### Caching test results
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dnl Look for site or system specific initialization scripts.
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dnl AC_SITE_LOAD()
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AC_DEFUN(AC_SITE_LOAD,
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define(AC_SITE_LOAD,
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[# Prefer explicitly selected file to automatically selected ones.
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if test ! -r "$CONFIG_SITE"; then
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if test "x$prefix" != xNONE; then
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@ -823,7 +800,7 @@ done
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])
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dnl AC_CACHE_LOAD()
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AC_DEFUN(AC_CACHE_LOAD,
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define(AC_CACHE_LOAD,
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[if test -r "$cache_file"; then
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echo "loading cache $cache_file"
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. $cache_file
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@ -834,7 +811,7 @@ fi
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])
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dnl AC_CACHE_SAVE()
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AC_DEFUN(AC_CACHE_SAVE,
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define(AC_CACHE_SAVE,
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[if test -w $cache_file; then
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echo "updating cache $cache_file"
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cat > $cache_file <<\EOF
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@ -864,9 +841,8 @@ fi
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dnl The name of shell var CACHE-ID must contain `_cv_' in order to get saved.
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dnl AC_CACHE_VAL(CACHE-ID, COMMANDS-TO-SET-IT)
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AC_DEFUN(AC_CACHE_VAL,
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[AC_REQUIRE([AC_PROG_ECHO_N])dnl
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dnl We used to use the below line, but it fails if the 1st arg is a
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define(AC_CACHE_VAL,
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[dnl We used to use the below line, but it fails if the 1st arg is a
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dnl shell variable, so we need the eval.
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dnl if test "${$1+set}" = set; then
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if eval "test \"`echo '${'$1'+set}'`\" = set"; then
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@ -882,14 +858,14 @@ dnl ### Setting variables
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dnl Set VARIABLE to VALUE, verbatim, or 1.
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dnl AC_DEFINE(VARIABLE [, VALUE])
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AC_DEFUN(AC_DEFINE,
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define(AC_DEFINE,
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[cat >> confdefs.h <<\EOF
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[#define] $1 ifelse($#, 2, [$2], 1)
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EOF
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])
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dnl Similar, but perform shell substitutions $ ` \ once on VALUE.
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AC_DEFUN(AC_DEFINE_UNQUOTED,
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define(AC_DEFINE_UNQUOTED,
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[cat >> confdefs.h <<EOF
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[#define] $1 ifelse($#, 2, [$2], 1)
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EOF
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@ -898,7 +874,7 @@ EOF
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dnl This macro protects VARIABLE from being diverted twice
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dnl if this macro is called twice for it.
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dnl AC_SUBST(VARIABLE)
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AC_DEFUN(AC_SUBST,
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define(AC_SUBST,
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[ifdef([AC_SUBST_$1], ,
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[define([AC_SUBST_$1], )dnl
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AC_DIVERT_PUSH(AC_DIVERSION_SED)dnl
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@ -907,7 +883,7 @@ AC_DIVERT_POP()dnl
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])])
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dnl AC_SUBST_FILE(VARIABLE)
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AC_DEFUN(AC_SUBST_FILE,
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define(AC_SUBST_FILE,
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[ifdef([AC_SUBST_$1], ,
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[define([AC_SUBST_$1], )dnl
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AC_DIVERT_PUSH(AC_DIVERSION_SED)dnl
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@ -921,30 +897,28 @@ dnl ### Printing messages
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dnl AC_MSG_CHECKING(FEATURE-DESCRIPTION)
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AC_DEFUN(AC_MSG_CHECKING,
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[AC_REQUIRE([AC_PROG_ECHO_N])dnl
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echo $ac_n "checking $1""... $ac_c" 1>&AC_FD_MSG])
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define(AC_MSG_CHECKING,
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[echo $ac_n "checking $1""... $ac_c" 1>&AC_FD_MSG])
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dnl AC_CHECKING(FEATURE-DESCRIPTION)
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AC_DEFUN(AC_CHECKING,
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define(AC_CHECKING,
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[echo "checking $1" 1>&AC_FD_MSG])
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dnl AC_MSG_RESULT(RESULT-DESCRIPTION)
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AC_DEFUN(AC_MSG_RESULT,
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[AC_REQUIRE([AC_PROG_ECHO_N])dnl
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echo "$ac_t""$1" 1>&AC_FD_MSG])
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define(AC_MSG_RESULT,
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[echo "$ac_t""$1" 1>&AC_FD_MSG])
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dnl AC_VERBOSE(RESULT-DESCRIPTION)
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AC_DEFUN(AC_VERBOSE,
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define(AC_VERBOSE,
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[AC_OBSOLETE([$0], [; instead use AC_MSG_RESULT])dnl
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echo " $1" 1>&AC_FD_MSG])
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dnl AC_MSG_WARN(PROBLEM-DESCRIPTION)
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AC_DEFUN(AC_MSG_WARN,
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define(AC_MSG_WARN,
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[echo "configure: warning: $1" 1>&2])
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dnl AC_MSG_ERROR(ERROR-DESCRIPTION)
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AC_DEFUN(AC_MSG_ERROR,
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define(AC_MSG_ERROR,
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[{ echo "configure: $1" 1>&2; exit 1; }])
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@ -970,14 +944,13 @@ ac_compile='${CXX-gcc} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.${ac_ext} -o confte
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])
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dnl Push the current language on a stack.
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dnl AC_LANG_SAVE()
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AC_DEFUN(AC_LANG_SAVE,
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define(AC_LANG_SAVE,
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[pushdef([AC_LANG_STACK], AC_LANG)])
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dnl Restore the current language from the stack.
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dnl AC_LANG_RESTORE()
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AC_DEFUN(AC_LANG_RESTORE,
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define(AC_LANG_RESTORE,
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[ifelse(AC_LANG_STACK, C, [ifelse(AC_LANG, C, , [AC_LANG_C])], [ifelse(AC_LANG, CPLUSPLUS, , [AC_LANG_CPLUSPLUS])])[]popdef([AC_LANG_STACK])])
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@ -1098,6 +1071,29 @@ done
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ifelse([$3], , , [test -n "[$]$1" || $1="$3"
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])])
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dnl Guess the value for the `prefix' variable by looking for
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dnl the argument program along PATH and taking its parent.
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dnl Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
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dnl set `prefix' to /usr/local/gnu.
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dnl This comes too late to find a site file based on the prefix,
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dnl and it might use a cached value for the path.
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dnl No big loss, I think, since most configures don't use this macro anyway.
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dnl AC_PREFIX_PROGRAM(PROGRAM)
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AC_DEFUN(AC_PREFIX_PROGRAM,
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[if test "x$prefix" = xNONE; then
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changequote(<<, >>)dnl
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define(<<AC_VAR_NAME>>, translit($1, [a-z], [A-Z]))dnl
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changequote([, ])dnl
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AC_PATH_PROG(AC_VAR_NAME, $1)
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changequote(<<, >>)dnl
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if test -n "$ac_cv_path_<<>>AC_VAR_NAME"; then
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prefix=`echo $ac_cv_path_<<>>AC_VAR_NAME|sed 's%/[^/][^/]*/[^/][^/]*$%%'`
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changequote([, ])dnl
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fi
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fi
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undefine([AC_VAR_NAME])dnl
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])
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dnl AC_CHECK_LIB(LIBRARY, FUNCTION, [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
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dnl [, OTHER-LIBRARIES]]])
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AC_DEFUN(AC_CHECK_LIB,
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@ -1403,12 +1399,25 @@ fi
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])
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dnl ### The big finish
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dnl ### Controlling Autoconf output
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dnl AC_CONFIG_HEADER(HEADER-TO-CREATE ...)
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AC_DEFUN(AC_CONFIG_HEADER,
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[define(AC_LIST_HEADER, $1)])
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dnl AC_CONFIG_SUBDIRS(DIR ...)
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AC_DEFUN(AC_CONFIG_SUBDIRS,
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[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
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define([AC_LIST_SUBDIRS], [$1])dnl
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subdirs="AC_LIST_SUBDIRS"
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AC_SUBST(subdirs)dnl
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])
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dnl The big finish.
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dnl Produce config.status, config.h, and links, and configure subdirs.
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dnl AC_OUTPUT([FILE...] [, EXTRA-CMDS] [, INIT-CMDS])
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AC_DEFUN(AC_OUTPUT,
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define(AC_OUTPUT,
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[AC_CACHE_SAVE
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test "x$prefix" = xNONE && prefix=/usr/local
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@ -1495,7 +1504,7 @@ ifdef([AC_LIST_SUBDIRS], [AC_OUTPUT_SUBDIRS(AC_LIST_SUBDIRS)])dnl
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dnl This is a subroutine of AC_OUTPUT.
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dnl It is called inside configure, outside of config.status.
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dnl AC_OUTPUT_MAKE_DEFS()
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AC_DEFUN(AC_OUTPUT_MAKE_DEFS,
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define(AC_OUTPUT_MAKE_DEFS,
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[# Transform confdefs.h into DEFS.
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dnl Using a here document instead of a string reduces the quoting nightmare.
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cat > conftest.defs <<\EOF
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@ -1516,7 +1525,7 @@ rm -f conftest.defs
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dnl This is a subroutine of AC_OUTPUT. It is called inside an unquoted
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dnl here document whose contents are going into config.status.
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dnl AC_OUTPUT_FILES(FILE...)
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AC_DEFUN(AC_OUTPUT_FILES,
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define(AC_OUTPUT_FILES,
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[# Protect against being on the right side of a sed subst in config.status.
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changequote(, )dnl
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sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g;
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@ -1615,7 +1624,7 @@ rm -f conftest.subs
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dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted
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dnl here document whose contents are going into config.status.
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dnl AC_OUTPUT_HEADER(HEADER-FILE...)
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AC_DEFUN(AC_OUTPUT_HEADER,
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define(AC_OUTPUT_HEADER,
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[changequote(<<, >>)dnl
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# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
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# NAME is the cpp macro being defined and VALUE is the value it is being given.
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@ -1726,7 +1735,7 @@ fi; done
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dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted
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dnl here document whose contents are going into config.status.
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dnl AC_OUTPUT_LINKS(DEST..., SOURCE...)
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AC_DEFUN(AC_OUTPUT_LINKS,
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define(AC_OUTPUT_LINKS,
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[EOF
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cat >> ${CONFIG_STATUS} <<EOF
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@ -1756,7 +1765,7 @@ done
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])
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dnl AC_OUTPUT_SUBDIRS(DIRECTORY...)
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AC_DEFUN(AC_OUTPUT_SUBDIRS,
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define(AC_OUTPUT_SUBDIRS,
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[
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if test "${no_recursion}" != yes; then
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@ -624,7 +624,8 @@ dnl ### Checks for functions
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AC_DEFUN(AC_FUNC_MMAP,
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[AC_MSG_CHECKING(for working mmap)
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AC_CACHE_VAL(ac_cv_func_mmap,
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[AC_TRY_RUN([/* Thanks to Mike Haertel and Jim Avera for this test. */
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[AC_TRY_RUN([
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/* Thanks to Mike Haertel and Jim Avera for this test. */
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#include <sys/types.h>
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#include <fcntl.h>
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#include <sys/mman.h>
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@ -686,7 +687,7 @@ main()
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exit(1);
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lseek(fd, (long)i, 0);
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read(fd, buf2, i); /* read into mapped memory -- file should not change */
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/* (it does in i386 SVR4.0 - Jim Avera) */
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/* (it does in i386 SVR4.0 - Jim Avera, jima@netcom.com) */
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lseek(fd, (long)0, 0);
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read(fd, buf3, i2);
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for (j = 0; j < i2; ++j)
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@ -40,7 +40,7 @@ undefine([shift])
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undefine([format])
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|
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dnl ### Controlling Autoconf operation
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dnl ### Defining macros
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|
||||
dnl m4 output diversions. We let m4 output them all in order at the end,
|
||||
@ -101,11 +101,17 @@ dnl so the macro automatically switches expansion to the diversion
|
||||
dnl stack if it is not already using it. In this case, once finished,
|
||||
dnl it will bring back all the code accumulated in the diversion stack.
|
||||
dnl This, combined with AC_REQUIRE, achieves the topological ordering of
|
||||
dnl macros.
|
||||
dnl macros. We don't use this macro to define some frequently called
|
||||
dnl macros that are not involved in ordering constraints, to save m4
|
||||
dnl processing.
|
||||
dnl AC_DEFUN(NAME, EXPANSION)
|
||||
define([AC_DEFUN],
|
||||
[define($1, [AC_PRO([$1])$2[]AC_EPI()])])
|
||||
|
||||
|
||||
dnl ### Controlling Autoconf operation
|
||||
|
||||
|
||||
dnl AC_INIT_NOTICE()
|
||||
AC_DEFUN(AC_INIT_NOTICE,
|
||||
[# Guess values for system-dependent variables and create Makefiles.
|
||||
@ -204,8 +210,7 @@ changequote([, ])dnl
|
||||
*) ac_optarg= ;;
|
||||
esac
|
||||
|
||||
# Accept (but ignore some of) the important Cygnus configure
|
||||
# options, so we can diagnose typos.
|
||||
# Accept the important Cygnus configure options, so we can diagnose typos.
|
||||
|
||||
case "$ac_option" in
|
||||
|
||||
@ -514,17 +519,22 @@ dnl Let the site file select an alternate cache file if it wants to.
|
||||
AC_SITE_LOAD
|
||||
AC_CACHE_LOAD
|
||||
AC_LANG_C
|
||||
AC_PROG_ECHO_N
|
||||
dnl Substitute for predefined variables.
|
||||
AC_SUBST(LIBS)dnl
|
||||
AC_SUBST(prefix)dnl
|
||||
AC_SUBST(exec_prefix)dnl
|
||||
AC_SUBST(DEFS)dnl
|
||||
AC_SUBST(CFLAGS)dnl
|
||||
AC_SUBST(CXXFLAGS)dnl
|
||||
AC_SUBST(CPPFLAGS)dnl
|
||||
AC_SUBST(CXXFLAGS)dnl
|
||||
AC_SUBST(DEFS)dnl
|
||||
AC_SUBST(LDFLAGS)dnl
|
||||
AC_SUBST(LIBS)dnl
|
||||
AC_SUBST(exec_prefix)dnl
|
||||
AC_SUBST(prefix)dnl
|
||||
])
|
||||
|
||||
|
||||
dnl ### Selecting optional features
|
||||
|
||||
|
||||
dnl AC_ARG_ENABLE(FEATURE, HELP-STRING, ACTION-IF-TRUE [, ACTION-IF-FALSE])
|
||||
AC_DEFUN(AC_ARG_ENABLE,
|
||||
[AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)dnl
|
||||
@ -567,9 +577,9 @@ AC_DEFUN(AC_WITH,
|
||||
AC_ARG_WITH([$1], [ --with-$1], [$2], [$3])dnl
|
||||
])
|
||||
|
||||
dnl AC_CONFIG_HEADER(HEADER-TO-CREATE ...)
|
||||
AC_DEFUN(AC_CONFIG_HEADER,
|
||||
[define(AC_LIST_HEADER, $1)])
|
||||
|
||||
dnl ### Version numbers
|
||||
|
||||
|
||||
dnl AC_REVISION(REVISION-INFO)
|
||||
AC_DEFUN(AC_REVISION,
|
||||
@ -580,19 +590,19 @@ dnl Subroutines of AC_PREREQ.
|
||||
|
||||
dnl Change the dots in NUMBER into commas.
|
||||
dnl AC_PREREQ_SPLIT(NUMBER)
|
||||
AC_DEFUN(AC_PREREQ_SPLIT,
|
||||
define(AC_PREREQ_SPLIT,
|
||||
[translit($1, ., [, ])])
|
||||
|
||||
dnl Default the ternary version number to 0 (e.g., 1, 7 -> 1, 7, 0).
|
||||
dnl AC_PREREQ_CANON(MAJOR, MINOR [,TERNARY])
|
||||
AC_DEFUN(AC_PREREQ_CANON,
|
||||
define(AC_PREREQ_CANON,
|
||||
[$1, $2, ifelse([$3], , 0, [$3])])
|
||||
|
||||
dnl Complain and exit if version number 1 is less than version number 2.
|
||||
dnl PRINTABLE2 is the printable version of version number 2.
|
||||
dnl AC_PREREQ_COMPARE(MAJOR1, MINOR1, TERNARY1, MAJOR2, MINOR2, TERNARY2,
|
||||
dnl PRINTABLE2)
|
||||
AC_DEFUN(AC_PREREQ_COMPARE,
|
||||
define(AC_PREREQ_COMPARE,
|
||||
[ifelse(builtin([eval],
|
||||
[$3 + $2 * 100 + $1 * 10000 < $6 + $5 * 100 + $4 * 10000]), 1,
|
||||
[errprint(Autoconf version $7 or higher is required for this script
|
||||
@ -600,43 +610,10 @@ AC_DEFUN(AC_PREREQ_COMPARE,
|
||||
|
||||
dnl Complain and exit if the Autoconf version is less than VERSION.
|
||||
dnl AC_PREREQ(VERSION)
|
||||
AC_DEFUN(AC_PREREQ,
|
||||
define(AC_PREREQ,
|
||||
[AC_PREREQ_COMPARE(AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)),
|
||||
AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])), [$1])])
|
||||
|
||||
dnl Run configure in subdirectories DIR...
|
||||
dnl Not actually done until AC_OUTPUT_SUBDIRS.
|
||||
dnl AC_CONFIG_SUBDIRS(DIR ...)
|
||||
AC_DEFUN(AC_CONFIG_SUBDIRS,
|
||||
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
|
||||
define([AC_LIST_SUBDIRS], [$1])dnl
|
||||
subdirs="AC_LIST_SUBDIRS"
|
||||
AC_SUBST(subdirs)dnl
|
||||
])
|
||||
|
||||
dnl Guess the value for the `prefix' variable by looking for
|
||||
dnl the argument program along PATH and taking its parent.
|
||||
dnl Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
|
||||
dnl set `prefix' to /usr/local/gnu.
|
||||
dnl This comes too late to find a site file based on the prefix,
|
||||
dnl and it might use a cached value for the path.
|
||||
dnl No big loss, I think, since most configures don't use this macro anyway.
|
||||
dnl AC_PREFIX_PROGRAM(PROGRAM)
|
||||
AC_DEFUN(AC_PREFIX_PROGRAM,
|
||||
[if test "x$prefix" = xNONE; then
|
||||
changequote(<<, >>)dnl
|
||||
define(<<AC_VAR_NAME>>, translit($1, [a-z], [A-Z]))dnl
|
||||
changequote([, ])dnl
|
||||
AC_PATH_PROG(AC_VAR_NAME, $1)
|
||||
changequote(<<, >>)dnl
|
||||
if test -n "$ac_cv_path_<<>>AC_VAR_NAME"; then
|
||||
prefix=`echo $ac_cv_path_<<>>AC_VAR_NAME|sed 's%/[^/][^/]*/[^/][^/]*$%%'`
|
||||
changequote([, ])dnl
|
||||
fi
|
||||
fi
|
||||
undefine([AC_VAR_NAME])dnl
|
||||
])
|
||||
|
||||
|
||||
dnl ### Canonicalizing the system type
|
||||
|
||||
@ -801,7 +778,7 @@ dnl ### Caching test results
|
||||
|
||||
dnl Look for site or system specific initialization scripts.
|
||||
dnl AC_SITE_LOAD()
|
||||
AC_DEFUN(AC_SITE_LOAD,
|
||||
define(AC_SITE_LOAD,
|
||||
[# Prefer explicitly selected file to automatically selected ones.
|
||||
if test ! -r "$CONFIG_SITE"; then
|
||||
if test "x$prefix" != xNONE; then
|
||||
@ -823,7 +800,7 @@ done
|
||||
])
|
||||
|
||||
dnl AC_CACHE_LOAD()
|
||||
AC_DEFUN(AC_CACHE_LOAD,
|
||||
define(AC_CACHE_LOAD,
|
||||
[if test -r "$cache_file"; then
|
||||
echo "loading cache $cache_file"
|
||||
. $cache_file
|
||||
@ -834,7 +811,7 @@ fi
|
||||
])
|
||||
|
||||
dnl AC_CACHE_SAVE()
|
||||
AC_DEFUN(AC_CACHE_SAVE,
|
||||
define(AC_CACHE_SAVE,
|
||||
[if test -w $cache_file; then
|
||||
echo "updating cache $cache_file"
|
||||
cat > $cache_file <<\EOF
|
||||
@ -864,9 +841,8 @@ fi
|
||||
|
||||
dnl The name of shell var CACHE-ID must contain `_cv_' in order to get saved.
|
||||
dnl AC_CACHE_VAL(CACHE-ID, COMMANDS-TO-SET-IT)
|
||||
AC_DEFUN(AC_CACHE_VAL,
|
||||
[AC_REQUIRE([AC_PROG_ECHO_N])dnl
|
||||
dnl We used to use the below line, but it fails if the 1st arg is a
|
||||
define(AC_CACHE_VAL,
|
||||
[dnl We used to use the below line, but it fails if the 1st arg is a
|
||||
dnl shell variable, so we need the eval.
|
||||
dnl if test "${$1+set}" = set; then
|
||||
if eval "test \"`echo '${'$1'+set}'`\" = set"; then
|
||||
@ -882,14 +858,14 @@ dnl ### Setting variables
|
||||
|
||||
dnl Set VARIABLE to VALUE, verbatim, or 1.
|
||||
dnl AC_DEFINE(VARIABLE [, VALUE])
|
||||
AC_DEFUN(AC_DEFINE,
|
||||
define(AC_DEFINE,
|
||||
[cat >> confdefs.h <<\EOF
|
||||
[#define] $1 ifelse($#, 2, [$2], 1)
|
||||
EOF
|
||||
])
|
||||
|
||||
dnl Similar, but perform shell substitutions $ ` \ once on VALUE.
|
||||
AC_DEFUN(AC_DEFINE_UNQUOTED,
|
||||
define(AC_DEFINE_UNQUOTED,
|
||||
[cat >> confdefs.h <<EOF
|
||||
[#define] $1 ifelse($#, 2, [$2], 1)
|
||||
EOF
|
||||
@ -898,7 +874,7 @@ EOF
|
||||
dnl This macro protects VARIABLE from being diverted twice
|
||||
dnl if this macro is called twice for it.
|
||||
dnl AC_SUBST(VARIABLE)
|
||||
AC_DEFUN(AC_SUBST,
|
||||
define(AC_SUBST,
|
||||
[ifdef([AC_SUBST_$1], ,
|
||||
[define([AC_SUBST_$1], )dnl
|
||||
AC_DIVERT_PUSH(AC_DIVERSION_SED)dnl
|
||||
@ -907,7 +883,7 @@ AC_DIVERT_POP()dnl
|
||||
])])
|
||||
|
||||
dnl AC_SUBST_FILE(VARIABLE)
|
||||
AC_DEFUN(AC_SUBST_FILE,
|
||||
define(AC_SUBST_FILE,
|
||||
[ifdef([AC_SUBST_$1], ,
|
||||
[define([AC_SUBST_$1], )dnl
|
||||
AC_DIVERT_PUSH(AC_DIVERSION_SED)dnl
|
||||
@ -921,30 +897,28 @@ dnl ### Printing messages
|
||||
|
||||
|
||||
dnl AC_MSG_CHECKING(FEATURE-DESCRIPTION)
|
||||
AC_DEFUN(AC_MSG_CHECKING,
|
||||
[AC_REQUIRE([AC_PROG_ECHO_N])dnl
|
||||
echo $ac_n "checking $1""... $ac_c" 1>&AC_FD_MSG])
|
||||
define(AC_MSG_CHECKING,
|
||||
[echo $ac_n "checking $1""... $ac_c" 1>&AC_FD_MSG])
|
||||
|
||||
dnl AC_CHECKING(FEATURE-DESCRIPTION)
|
||||
AC_DEFUN(AC_CHECKING,
|
||||
define(AC_CHECKING,
|
||||
[echo "checking $1" 1>&AC_FD_MSG])
|
||||
|
||||
dnl AC_MSG_RESULT(RESULT-DESCRIPTION)
|
||||
AC_DEFUN(AC_MSG_RESULT,
|
||||
[AC_REQUIRE([AC_PROG_ECHO_N])dnl
|
||||
echo "$ac_t""$1" 1>&AC_FD_MSG])
|
||||
define(AC_MSG_RESULT,
|
||||
[echo "$ac_t""$1" 1>&AC_FD_MSG])
|
||||
|
||||
dnl AC_VERBOSE(RESULT-DESCRIPTION)
|
||||
AC_DEFUN(AC_VERBOSE,
|
||||
define(AC_VERBOSE,
|
||||
[AC_OBSOLETE([$0], [; instead use AC_MSG_RESULT])dnl
|
||||
echo " $1" 1>&AC_FD_MSG])
|
||||
|
||||
dnl AC_MSG_WARN(PROBLEM-DESCRIPTION)
|
||||
AC_DEFUN(AC_MSG_WARN,
|
||||
define(AC_MSG_WARN,
|
||||
[echo "configure: warning: $1" 1>&2])
|
||||
|
||||
dnl AC_MSG_ERROR(ERROR-DESCRIPTION)
|
||||
AC_DEFUN(AC_MSG_ERROR,
|
||||
define(AC_MSG_ERROR,
|
||||
[{ echo "configure: $1" 1>&2; exit 1; }])
|
||||
|
||||
|
||||
@ -970,14 +944,13 @@ ac_compile='${CXX-gcc} $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.${ac_ext} -o confte
|
||||
])
|
||||
|
||||
dnl Push the current language on a stack.
|
||||
|
||||
dnl AC_LANG_SAVE()
|
||||
AC_DEFUN(AC_LANG_SAVE,
|
||||
define(AC_LANG_SAVE,
|
||||
[pushdef([AC_LANG_STACK], AC_LANG)])
|
||||
|
||||
dnl Restore the current language from the stack.
|
||||
dnl AC_LANG_RESTORE()
|
||||
AC_DEFUN(AC_LANG_RESTORE,
|
||||
define(AC_LANG_RESTORE,
|
||||
[ifelse(AC_LANG_STACK, C, [ifelse(AC_LANG, C, , [AC_LANG_C])], [ifelse(AC_LANG, CPLUSPLUS, , [AC_LANG_CPLUSPLUS])])[]popdef([AC_LANG_STACK])])
|
||||
|
||||
|
||||
@ -1098,6 +1071,29 @@ done
|
||||
ifelse([$3], , , [test -n "[$]$1" || $1="$3"
|
||||
])])
|
||||
|
||||
dnl Guess the value for the `prefix' variable by looking for
|
||||
dnl the argument program along PATH and taking its parent.
|
||||
dnl Example: if the argument is `gcc' and we find /usr/local/gnu/bin/gcc,
|
||||
dnl set `prefix' to /usr/local/gnu.
|
||||
dnl This comes too late to find a site file based on the prefix,
|
||||
dnl and it might use a cached value for the path.
|
||||
dnl No big loss, I think, since most configures don't use this macro anyway.
|
||||
dnl AC_PREFIX_PROGRAM(PROGRAM)
|
||||
AC_DEFUN(AC_PREFIX_PROGRAM,
|
||||
[if test "x$prefix" = xNONE; then
|
||||
changequote(<<, >>)dnl
|
||||
define(<<AC_VAR_NAME>>, translit($1, [a-z], [A-Z]))dnl
|
||||
changequote([, ])dnl
|
||||
AC_PATH_PROG(AC_VAR_NAME, $1)
|
||||
changequote(<<, >>)dnl
|
||||
if test -n "$ac_cv_path_<<>>AC_VAR_NAME"; then
|
||||
prefix=`echo $ac_cv_path_<<>>AC_VAR_NAME|sed 's%/[^/][^/]*/[^/][^/]*$%%'`
|
||||
changequote([, ])dnl
|
||||
fi
|
||||
fi
|
||||
undefine([AC_VAR_NAME])dnl
|
||||
])
|
||||
|
||||
dnl AC_CHECK_LIB(LIBRARY, FUNCTION, [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
|
||||
dnl [, OTHER-LIBRARIES]]])
|
||||
AC_DEFUN(AC_CHECK_LIB,
|
||||
@ -1403,12 +1399,25 @@ fi
|
||||
])
|
||||
|
||||
|
||||
dnl ### The big finish
|
||||
dnl ### Controlling Autoconf output
|
||||
|
||||
|
||||
dnl AC_CONFIG_HEADER(HEADER-TO-CREATE ...)
|
||||
AC_DEFUN(AC_CONFIG_HEADER,
|
||||
[define(AC_LIST_HEADER, $1)])
|
||||
|
||||
dnl AC_CONFIG_SUBDIRS(DIR ...)
|
||||
AC_DEFUN(AC_CONFIG_SUBDIRS,
|
||||
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
|
||||
define([AC_LIST_SUBDIRS], [$1])dnl
|
||||
subdirs="AC_LIST_SUBDIRS"
|
||||
AC_SUBST(subdirs)dnl
|
||||
])
|
||||
|
||||
dnl The big finish.
|
||||
dnl Produce config.status, config.h, and links, and configure subdirs.
|
||||
dnl AC_OUTPUT([FILE...] [, EXTRA-CMDS] [, INIT-CMDS])
|
||||
AC_DEFUN(AC_OUTPUT,
|
||||
define(AC_OUTPUT,
|
||||
[AC_CACHE_SAVE
|
||||
|
||||
test "x$prefix" = xNONE && prefix=/usr/local
|
||||
@ -1495,7 +1504,7 @@ ifdef([AC_LIST_SUBDIRS], [AC_OUTPUT_SUBDIRS(AC_LIST_SUBDIRS)])dnl
|
||||
dnl This is a subroutine of AC_OUTPUT.
|
||||
dnl It is called inside configure, outside of config.status.
|
||||
dnl AC_OUTPUT_MAKE_DEFS()
|
||||
AC_DEFUN(AC_OUTPUT_MAKE_DEFS,
|
||||
define(AC_OUTPUT_MAKE_DEFS,
|
||||
[# Transform confdefs.h into DEFS.
|
||||
dnl Using a here document instead of a string reduces the quoting nightmare.
|
||||
cat > conftest.defs <<\EOF
|
||||
@ -1516,7 +1525,7 @@ rm -f conftest.defs
|
||||
dnl This is a subroutine of AC_OUTPUT. It is called inside an unquoted
|
||||
dnl here document whose contents are going into config.status.
|
||||
dnl AC_OUTPUT_FILES(FILE...)
|
||||
AC_DEFUN(AC_OUTPUT_FILES,
|
||||
define(AC_OUTPUT_FILES,
|
||||
[# Protect against being on the right side of a sed subst in config.status.
|
||||
changequote(, )dnl
|
||||
sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g;
|
||||
@ -1615,7 +1624,7 @@ rm -f conftest.subs
|
||||
dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted
|
||||
dnl here document whose contents are going into config.status.
|
||||
dnl AC_OUTPUT_HEADER(HEADER-FILE...)
|
||||
AC_DEFUN(AC_OUTPUT_HEADER,
|
||||
define(AC_OUTPUT_HEADER,
|
||||
[changequote(<<, >>)dnl
|
||||
# These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
|
||||
# NAME is the cpp macro being defined and VALUE is the value it is being given.
|
||||
@ -1726,7 +1735,7 @@ fi; done
|
||||
dnl This is a subroutine of AC_OUTPUT. It is called inside a quoted
|
||||
dnl here document whose contents are going into config.status.
|
||||
dnl AC_OUTPUT_LINKS(DEST..., SOURCE...)
|
||||
AC_DEFUN(AC_OUTPUT_LINKS,
|
||||
define(AC_OUTPUT_LINKS,
|
||||
[EOF
|
||||
|
||||
cat >> ${CONFIG_STATUS} <<EOF
|
||||
@ -1756,7 +1765,7 @@ done
|
||||
])
|
||||
|
||||
dnl AC_OUTPUT_SUBDIRS(DIRECTORY...)
|
||||
AC_DEFUN(AC_OUTPUT_SUBDIRS,
|
||||
define(AC_OUTPUT_SUBDIRS,
|
||||
[
|
||||
if test "${no_recursion}" != yes; then
|
||||
|
||||
|
||||
@ -624,7 +624,8 @@ dnl ### Checks for functions
|
||||
AC_DEFUN(AC_FUNC_MMAP,
|
||||
[AC_MSG_CHECKING(for working mmap)
|
||||
AC_CACHE_VAL(ac_cv_func_mmap,
|
||||
[AC_TRY_RUN([/* Thanks to Mike Haertel and Jim Avera for this test. */
|
||||
[AC_TRY_RUN([
|
||||
/* Thanks to Mike Haertel and Jim Avera for this test. */
|
||||
#include <sys/types.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/mman.h>
|
||||
@ -686,7 +687,7 @@ main()
|
||||
exit(1);
|
||||
lseek(fd, (long)i, 0);
|
||||
read(fd, buf2, i); /* read into mapped memory -- file should not change */
|
||||
/* (it does in i386 SVR4.0 - Jim Avera) */
|
||||
/* (it does in i386 SVR4.0 - Jim Avera, jima@netcom.com) */
|
||||
lseek(fd, (long)0, 0);
|
||||
read(fd, buf3, i2);
|
||||
for (j = 0; j < i2; ++j)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user