mirror of
git://git.sv.gnu.org/autoconf
synced 2025-01-18 10:45:15 +08:00
1999-11-01 Akim Demaille <akim@epita.fr>
Install a uniform set of default includes. * acgeneral.m4 (AC_INCLUDES_DEFAULT): New macro. Expands in its argument if non empty, otherwise a default list of includes. (AC_CHECK_DECL, AC_CHECK_TYPE_INTERNAL): Use AC_INCLUDES_DEFAULT. * autoconf.texi: Adjusted.
This commit is contained in:
Akim Demaille
parent
6b39479736
commit
097b84fd1c
@ -1,3 +1,12 @@
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1999-11-01 Akim Demaille <akim@epita.fr>
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Install a uniform set of default includes.
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* acgeneral.m4 (AC_INCLUDES_DEFAULT): New macro. Expands in its
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argument if non empty, otherwise a default list of includes.
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(AC_CHECK_DECL, AC_CHECK_TYPE_INTERNAL): Use AC_INCLUDES_DEFAULT.
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* autoconf.texi: Adjusted.
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1999-11-01 Akim Demaille <akim@epita.fr>
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* autoheader.m4 (AH_FUNC_ALLOCA, AH_C_CHAR_UNSIGNED, AH_AIX):
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121
acgeneral.m4
121
acgeneral.m4
@ -1229,12 +1229,16 @@ AC_INIT_PREPARE($1)dnl
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AC_DIVERT_POP()dnl to NORMAL
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])
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dnl AC_INCLUDE
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dnl AC_INCLUDE(FILES...)
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dnl --------------------
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dnl Note that there is shell expansion, hence AC_INCLUDE(m4/*.m4) is
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dnl legal.
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AC_DEFUN(AC_INCLUDE,
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[ifelse($1, [], [], [dnl
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esyscmd([for file in $1; do echo "m4_include($file)dnl"; done])dnl
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])])
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dnl AC_INIT_PREPARE(UNIQUE-FILE-IN-SOURCE-DIR)
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dnl ------------------------------------------
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dnl Called by AC_INIT to build the preamble of the `configure' scripts.
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@ -2154,6 +2158,41 @@ AC_DEFUN(AC_C_STRUCT_MEMBER,
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$1="$ac_cv_c_struct_member_$1"])
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dnl ### Default headers.
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dnl Always use the same set of default headers for all the generic macros.
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dnl It is easier to document, to extend, and to understand than having
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dnl specific defaults for each macro.
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dnl AC_INCLUDES_DEFAULT([INCLUDES])
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dnl -------------------------------
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dnl If INCLUDES is empty, expand in default includes, otherwise in
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dnl INCLUDES.
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define(AC_INCLUDES_DEFAULT,
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[m4_default([$1],
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[#include <stdio.h>
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#ifdef HAVE_STRING_H
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# if !STDC_HEADERS && HAVE_MEMORY_H
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# include <memory.h>
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# endif
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# include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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#endif
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#if STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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])])
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dnl ### Checking for programs
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@ -2509,6 +2548,7 @@ dnl ### Examining declarations
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dnl AC_TRY_CPP(INCLUDES, [ACTION-IF-TRUE [, ACTION-IF-FALSE]])
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dnl ----------------------------------------------------------
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dnl INCLUDES are not defaulted.
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AC_DEFUN(AC_TRY_CPP,
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[AC_REQUIRE_CPP()dnl
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cat >conftest.$ac_ext <<EOF
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@ -2575,8 +2615,9 @@ dnl ### Examining syntax
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dnl AC_TRY_COMPILE(INCLUDES, FUNCTION-BODY,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl ---------------------------------------------------------
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dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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dnl --------------------------------------------------------
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dnl Should INCLUDES be defaulted here?
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AC_DEFUN(AC_TRY_COMPILE,
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[cat >conftest.$ac_ext <<EOF
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ifelse(AC_LANG, [FORTRAN77],
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@ -2625,8 +2666,9 @@ AC_TRY_LINK([$2], [$3], [$4], [$5])
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])
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dnl AC_TRY_LINK(INCLUDES, FUNCTION-BODY,
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dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl ------------------------------------------------------
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dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
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dnl -----------------------------------------------------
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dnl Should the INCLUDES be defaulted here?
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AC_DEFUN(AC_TRY_LINK,
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[cat >conftest.$ac_ext <<EOF
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ifelse(AC_LANG, [FORTRAN77],
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@ -2782,36 +2824,15 @@ $2],
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dnl ### Checking for declared symbols
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dnl AC_CHECK_DECL(SYMBOL, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
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dnl [, INCLUDES,]]])
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dnl -------------------------------------------------------------
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dnl AC_CHECK_DECL(SYMBOL,
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dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
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dnl [INCLUDES])
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dnl -------------------------------------------------------
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dnl Check if SYMBOL (a variable or a function) is declared.
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AC_DEFUN([AC_CHECK_DECL],
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[AC_VAR_PUSHDEF([ac_Symbol], [ac_cv_have_decl_$1])dnl
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AC_CACHE_CHECK([whether $1 is declared], ac_Symbol,
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[AC_TRY_COMPILE(m4_default([$4], [#include <stdio.h>
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#ifdef HAVE_STRING_H
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# if !STDC_HEADERS && HAVE_MEMORY_H
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# include <memory.h>
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# endif
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# include <string.h>
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#else
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# ifdef HAVE_STRINGS_H
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# include <strings.h>
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# endif
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#endif
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#if STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#else
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# ifdef HAVE_STDLIB_H
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# include <stdlib.h>
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# endif
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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]),
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[AC_TRY_COMPILE(AC_INCLUDES_DEFAULT([$4]),
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[#ifndef $1
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char *p = (char *) $1;
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#endif
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@ -2822,9 +2843,11 @@ AC_SHELL_IFELSE(test AC_VAR_GET(ac_Symbol) = yes,
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AC_VAR_POPDEF([ac_Symbol])dnl
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])dnl AC_CHECK_DECL
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dnl AC_CHECK_DECLS(SYMBOL, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
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dnl [, INCLUDES]]])
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dnl --------------------------------------------------------------
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dnl AC_CHECK_DECLS(SYMBOL,
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dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
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dnl [INCLUDES])
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dnl --------------------------------------------------------
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AC_DEFUN([AC_CHECK_DECLS],
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[AC_FOREACH([AC_Symbol], [$1],
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[AC_SPECIALIZE([AC_CHECK_DECL], AC_Symbol,
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@ -2898,7 +2921,8 @@ dnl ### Checking compiler characteristics
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dnl AC_CHECK_SIZEOF(TYPE [, CROSS-SIZE, [INCLUDES]])
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dnl ------------------------------------------------
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dnl This macro will probably be obsoleted by the macros of Kaveh. In
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dnl addition `CHECK' is not a proper name (is not boolean).
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dnl addition `CHECK' is not a proper name (is not boolean). And finally:
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dnl shouldn't we use the default INCLUDES?
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AC_DEFUN(AC_CHECK_SIZEOF,
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[AC_VAR_PUSHDEF([ac_Sizeof], [ac_cv_sizeof_$1])dnl
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AC_CACHE_CHECK([size of $1], ac_Sizeof,
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@ -2923,9 +2947,10 @@ AC_VAR_POPDEF([ac_Sizeof])dnl
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dnl ### Checking for typedefs
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dnl AC_CHECK_TYPE_INTERNAL(TYPE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
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dnl AC_CHECK_TYPE_INTERNAL(TYPE,
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dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
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dnl [INCLUDES])
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dnl ----------------------------------------------------------------------
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dnl ----------------------------------------------------------------
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dnl Check whether the type TYPE is supported by the system, maybe via the
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dnl the provided includes. This macro implements the former task of
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dnl AC_CHECK_TYPE, with one big difference though: AC_CHECK_TYPE was
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@ -2940,25 +2965,21 @@ AC_DEFUN(AC_CHECK_TYPE_INTERNAL,
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[AC_REQUIRE([AC_HEADER_STDC])dnl
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AC_VAR_PUSHDEF([ac_Type], [ac_cv_type_$1])dnl
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AC_CACHE_CHECK([for $1], ac_Type,
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[AC_TRY_COMPILE(m4_default([$4
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], [#include <stdio.h>
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#include <sys/types.h>
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#if STDC_HEADERS
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# include <stdlib.h>
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# include <stddef.h>
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#endif
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]),
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[$1 foo;],
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AC_VAR_SET(ac_Type, yes), AC_VAR_SET(ac_Type, no))])
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[AC_TRY_COMPILE(AC_INCLUDES_DEFAULT([$4]),
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[$1 foo;],
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AC_VAR_SET(ac_Type, yes),
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AC_VAR_SET(ac_Type, no))])
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AC_SHELL_IFELSE(test AC_VAR_GET(ac_Type) = yes,
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[$2], [$3])dnl
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AC_VAR_POPDEF([ac_Type])dnl
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])dnl AC_CHECK_TYPE_INTERNAL
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dnl AC_CHECK_TYPES(TYPES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], [INCLUDES])
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dnl ---------------------------------------------------------------------------
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dnl TYPES is an m4 list.
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dnl AC_CHECK_TYPES((TYPE, ...),
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dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
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dnl [INCLUDES])
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dnl --------------------------------------------------------
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dnl TYPEs is an m4 list.
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AC_DEFUN(AC_CHECK_TYPES,
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[m4_foreach([AC_Type], [$1],
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[AC_SPECIALIZE([AC_CHECK_TYPE_INTERNAL], AC_Type,
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@ -2612,21 +2612,20 @@ is declared in a system header file, either @file{signal.h} or
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These macros are used to find declarations not covered by the particular
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test macros.
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@defmac AC_CHECK_DECL (@var{symbol} @r{[}, @var{action-if-found}@r{[}, @var{action-if-not-found} @r{[},@var{includes} @r{]]]})
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@defmac AC_CHECK_DECL (@var{symbol}, @ovar{action-if-found}, @ovar{action-if-not-found}, o@var{includes})
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@maindex CHECK_DECL
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If the declaration of @var{symbol} (a function or a variable) is needed
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because it is not declared in @var{includes}, run the shell commands
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@var{action-if-not-found}, otherwise @var{action-if-found}. If no
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@var{includes} are given at all, by default @file{stdio.h},
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@file{stdlib.h}, @file{stddef.h}, @file{memory.h}, @file{string.h},
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@file{strings.h}, and @file{unistd.h} will be included.
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@var{includes} are given at all, FIXME: point to a node defining the
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standard include.
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This macro actually tests whether it is valid to use @var{symbol} as an
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r-value, not if it is really declared, because it is much safer to avoid
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introducing extra declarations when not needed.
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@end defmac
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@defmac AC_CHECK_DECLS (@var{symbol} @r{[}, @var{action-if-found}@r{[}, @var{action-if-not-found} @r{[},@var{includes} @r{]]]})
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@defmac AC_CHECK_DECLS (@var{symbol}, @ovar{action-if-found}, @ovar{action-if-not-found}, @ovar{includes})
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@maindex CHECK_DECLS
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@cvindex NEED_@var{symbol}_DECL
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For each given @var{symbol} (whitespace-separated), define
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@ -2820,8 +2819,7 @@ particular test macros.
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@defmac AC_CHECK_TYPES ((@var{type}, @dots{}), @ovar{action-if-found}, @ovar{action-if-not-found}, @ovar{includes})
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@maindex CHECK_TYPES
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For each given @var{type} that is defined by the @var{includes} (by
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default, @file{sys/types.h}, @file{stdlib.h}, and @file{stddef.h}),
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For each given @var{type} that is defined by the FIXME: @var{includes},
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define @code{HAVE_@var{type}} (in all capitals). If
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@var{action-if-found} is given, it is additional shell code to execute
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when one of the header files is found. You can give it a value of
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@ -2845,11 +2843,9 @@ to incompatible code in the case of pointer types.
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@defmac AC_CHECK_TYPE (@var{type}, @var{default}, @ovar{includes})
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@maindex CHECK_TYPE
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If the type @var{type} is not defined in @file{sys/types.h}, or
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@file{stdlib.h} or @file{stddef.h} if they exist, define it to be the C
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(or C++) builtin type @var{default}; e.g., @samp{short} or
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@samp{unsigned}. The default header files to search can be replaced by
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supplying the optional argument @var{includes}.
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If the type @var{type} is not defined in FIXME: @ovar{includes}, define
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it to be the C (or C++) builtin type @var{default}; e.g., @samp{short}
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or @samp{unsigned}.
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This macro has a broken design. First, although it is a member of the
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@code{CHECK} clan, singular subfamily, it does more than just checking.
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@ -2612,21 +2612,20 @@ is declared in a system header file, either @file{signal.h} or
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These macros are used to find declarations not covered by the particular
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test macros.
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@defmac AC_CHECK_DECL (@var{symbol} @r{[}, @var{action-if-found}@r{[}, @var{action-if-not-found} @r{[},@var{includes} @r{]]]})
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@defmac AC_CHECK_DECL (@var{symbol}, @ovar{action-if-found}, @ovar{action-if-not-found}, o@var{includes})
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@maindex CHECK_DECL
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If the declaration of @var{symbol} (a function or a variable) is needed
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because it is not declared in @var{includes}, run the shell commands
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@var{action-if-not-found}, otherwise @var{action-if-found}. If no
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@var{includes} are given at all, by default @file{stdio.h},
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@file{stdlib.h}, @file{stddef.h}, @file{memory.h}, @file{string.h},
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@file{strings.h}, and @file{unistd.h} will be included.
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@var{includes} are given at all, FIXME: point to a node defining the
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standard include.
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This macro actually tests whether it is valid to use @var{symbol} as an
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r-value, not if it is really declared, because it is much safer to avoid
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introducing extra declarations when not needed.
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@end defmac
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@defmac AC_CHECK_DECLS (@var{symbol} @r{[}, @var{action-if-found}@r{[}, @var{action-if-not-found} @r{[},@var{includes} @r{]]]})
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@defmac AC_CHECK_DECLS (@var{symbol}, @ovar{action-if-found}, @ovar{action-if-not-found}, @ovar{includes})
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@maindex CHECK_DECLS
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@cvindex NEED_@var{symbol}_DECL
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For each given @var{symbol} (whitespace-separated), define
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@ -2820,8 +2819,7 @@ particular test macros.
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@defmac AC_CHECK_TYPES ((@var{type}, @dots{}), @ovar{action-if-found}, @ovar{action-if-not-found}, @ovar{includes})
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@maindex CHECK_TYPES
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For each given @var{type} that is defined by the @var{includes} (by
|
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default, @file{sys/types.h}, @file{stdlib.h}, and @file{stddef.h}),
|
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For each given @var{type} that is defined by the FIXME: @var{includes},
|
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define @code{HAVE_@var{type}} (in all capitals). If
|
||||
@var{action-if-found} is given, it is additional shell code to execute
|
||||
when one of the header files is found. You can give it a value of
|
||||
@ -2845,11 +2843,9 @@ to incompatible code in the case of pointer types.
|
||||
|
||||
@defmac AC_CHECK_TYPE (@var{type}, @var{default}, @ovar{includes})
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@maindex CHECK_TYPE
|
||||
If the type @var{type} is not defined in @file{sys/types.h}, or
|
||||
@file{stdlib.h} or @file{stddef.h} if they exist, define it to be the C
|
||||
(or C++) builtin type @var{default}; e.g., @samp{short} or
|
||||
@samp{unsigned}. The default header files to search can be replaced by
|
||||
supplying the optional argument @var{includes}.
|
||||
If the type @var{type} is not defined in FIXME: @ovar{includes}, define
|
||||
it to be the C (or C++) builtin type @var{default}; e.g., @samp{short}
|
||||
or @samp{unsigned}.
|
||||
|
||||
This macro has a broken design. First, although it is a member of the
|
||||
@code{CHECK} clan, singular subfamily, it does more than just checking.
|
||||
|
||||
@ -1229,12 +1229,16 @@ AC_INIT_PREPARE($1)dnl
|
||||
AC_DIVERT_POP()dnl to NORMAL
|
||||
])
|
||||
|
||||
dnl AC_INCLUDE
|
||||
dnl AC_INCLUDE(FILES...)
|
||||
dnl --------------------
|
||||
dnl Note that there is shell expansion, hence AC_INCLUDE(m4/*.m4) is
|
||||
dnl legal.
|
||||
AC_DEFUN(AC_INCLUDE,
|
||||
[ifelse($1, [], [], [dnl
|
||||
esyscmd([for file in $1; do echo "m4_include($file)dnl"; done])dnl
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||||
])])
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||||
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||||
|
||||
dnl AC_INIT_PREPARE(UNIQUE-FILE-IN-SOURCE-DIR)
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||||
dnl ------------------------------------------
|
||||
dnl Called by AC_INIT to build the preamble of the `configure' scripts.
|
||||
@ -2154,6 +2158,41 @@ AC_DEFUN(AC_C_STRUCT_MEMBER,
|
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$1="$ac_cv_c_struct_member_$1"])
|
||||
|
||||
|
||||
dnl ### Default headers.
|
||||
|
||||
dnl Always use the same set of default headers for all the generic macros.
|
||||
dnl It is easier to document, to extend, and to understand than having
|
||||
dnl specific defaults for each macro.
|
||||
|
||||
dnl AC_INCLUDES_DEFAULT([INCLUDES])
|
||||
dnl -------------------------------
|
||||
dnl If INCLUDES is empty, expand in default includes, otherwise in
|
||||
dnl INCLUDES.
|
||||
define(AC_INCLUDES_DEFAULT,
|
||||
[m4_default([$1],
|
||||
[#include <stdio.h>
|
||||
#ifdef HAVE_STRING_H
|
||||
# if !STDC_HEADERS && HAVE_MEMORY_H
|
||||
# include <memory.h>
|
||||
# endif
|
||||
# include <string.h>
|
||||
#else
|
||||
# ifdef HAVE_STRINGS_H
|
||||
# include <strings.h>
|
||||
# endif
|
||||
#endif
|
||||
#if STDC_HEADERS
|
||||
# include <stdlib.h>
|
||||
# include <stddef.h>
|
||||
#else
|
||||
# ifdef HAVE_STDLIB_H
|
||||
# include <stdlib.h>
|
||||
# endif
|
||||
#endif
|
||||
#ifdef HAVE_UNISTD_H
|
||||
# include <unistd.h>
|
||||
#endif
|
||||
])])
|
||||
|
||||
|
||||
dnl ### Checking for programs
|
||||
@ -2509,6 +2548,7 @@ dnl ### Examining declarations
|
||||
|
||||
dnl AC_TRY_CPP(INCLUDES, [ACTION-IF-TRUE [, ACTION-IF-FALSE]])
|
||||
dnl ----------------------------------------------------------
|
||||
dnl INCLUDES are not defaulted.
|
||||
AC_DEFUN(AC_TRY_CPP,
|
||||
[AC_REQUIRE_CPP()dnl
|
||||
cat >conftest.$ac_ext <<EOF
|
||||
@ -2575,8 +2615,9 @@ dnl ### Examining syntax
|
||||
|
||||
|
||||
dnl AC_TRY_COMPILE(INCLUDES, FUNCTION-BODY,
|
||||
dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
|
||||
dnl ---------------------------------------------------------
|
||||
dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
|
||||
dnl --------------------------------------------------------
|
||||
dnl Should INCLUDES be defaulted here?
|
||||
AC_DEFUN(AC_TRY_COMPILE,
|
||||
[cat >conftest.$ac_ext <<EOF
|
||||
ifelse(AC_LANG, [FORTRAN77],
|
||||
@ -2625,8 +2666,9 @@ AC_TRY_LINK([$2], [$3], [$4], [$5])
|
||||
])
|
||||
|
||||
dnl AC_TRY_LINK(INCLUDES, FUNCTION-BODY,
|
||||
dnl [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
|
||||
dnl ------------------------------------------------------
|
||||
dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
|
||||
dnl -----------------------------------------------------
|
||||
dnl Should the INCLUDES be defaulted here?
|
||||
AC_DEFUN(AC_TRY_LINK,
|
||||
[cat >conftest.$ac_ext <<EOF
|
||||
ifelse(AC_LANG, [FORTRAN77],
|
||||
@ -2782,36 +2824,15 @@ $2],
|
||||
dnl ### Checking for declared symbols
|
||||
|
||||
|
||||
dnl AC_CHECK_DECL(SYMBOL, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
|
||||
dnl [, INCLUDES,]]])
|
||||
dnl -------------------------------------------------------------
|
||||
dnl AC_CHECK_DECL(SYMBOL,
|
||||
dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
|
||||
dnl [INCLUDES])
|
||||
dnl -------------------------------------------------------
|
||||
dnl Check if SYMBOL (a variable or a function) is declared.
|
||||
AC_DEFUN([AC_CHECK_DECL],
|
||||
[AC_VAR_PUSHDEF([ac_Symbol], [ac_cv_have_decl_$1])dnl
|
||||
AC_CACHE_CHECK([whether $1 is declared], ac_Symbol,
|
||||
[AC_TRY_COMPILE(m4_default([$4], [#include <stdio.h>
|
||||
#ifdef HAVE_STRING_H
|
||||
# if !STDC_HEADERS && HAVE_MEMORY_H
|
||||
# include <memory.h>
|
||||
# endif
|
||||
# include <string.h>
|
||||
#else
|
||||
# ifdef HAVE_STRINGS_H
|
||||
# include <strings.h>
|
||||
# endif
|
||||
#endif
|
||||
#if STDC_HEADERS
|
||||
# include <stdlib.h>
|
||||
# include <stddef.h>
|
||||
#else
|
||||
# ifdef HAVE_STDLIB_H
|
||||
# include <stdlib.h>
|
||||
# endif
|
||||
#endif
|
||||
#ifdef HAVE_UNISTD_H
|
||||
# include <unistd.h>
|
||||
#endif
|
||||
]),
|
||||
[AC_TRY_COMPILE(AC_INCLUDES_DEFAULT([$4]),
|
||||
[#ifndef $1
|
||||
char *p = (char *) $1;
|
||||
#endif
|
||||
@ -2822,9 +2843,11 @@ AC_SHELL_IFELSE(test AC_VAR_GET(ac_Symbol) = yes,
|
||||
AC_VAR_POPDEF([ac_Symbol])dnl
|
||||
])dnl AC_CHECK_DECL
|
||||
|
||||
dnl AC_CHECK_DECLS(SYMBOL, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND
|
||||
dnl [, INCLUDES]]])
|
||||
dnl --------------------------------------------------------------
|
||||
|
||||
dnl AC_CHECK_DECLS(SYMBOL,
|
||||
dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
|
||||
dnl [INCLUDES])
|
||||
dnl --------------------------------------------------------
|
||||
AC_DEFUN([AC_CHECK_DECLS],
|
||||
[AC_FOREACH([AC_Symbol], [$1],
|
||||
[AC_SPECIALIZE([AC_CHECK_DECL], AC_Symbol,
|
||||
@ -2898,7 +2921,8 @@ dnl ### Checking compiler characteristics
|
||||
dnl AC_CHECK_SIZEOF(TYPE [, CROSS-SIZE, [INCLUDES]])
|
||||
dnl ------------------------------------------------
|
||||
dnl This macro will probably be obsoleted by the macros of Kaveh. In
|
||||
dnl addition `CHECK' is not a proper name (is not boolean).
|
||||
dnl addition `CHECK' is not a proper name (is not boolean). And finally:
|
||||
dnl shouldn't we use the default INCLUDES?
|
||||
AC_DEFUN(AC_CHECK_SIZEOF,
|
||||
[AC_VAR_PUSHDEF([ac_Sizeof], [ac_cv_sizeof_$1])dnl
|
||||
AC_CACHE_CHECK([size of $1], ac_Sizeof,
|
||||
@ -2923,9 +2947,10 @@ AC_VAR_POPDEF([ac_Sizeof])dnl
|
||||
dnl ### Checking for typedefs
|
||||
|
||||
|
||||
dnl AC_CHECK_TYPE_INTERNAL(TYPE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
|
||||
dnl AC_CHECK_TYPE_INTERNAL(TYPE,
|
||||
dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
|
||||
dnl [INCLUDES])
|
||||
dnl ----------------------------------------------------------------------
|
||||
dnl ----------------------------------------------------------------
|
||||
dnl Check whether the type TYPE is supported by the system, maybe via the
|
||||
dnl the provided includes. This macro implements the former task of
|
||||
dnl AC_CHECK_TYPE, with one big difference though: AC_CHECK_TYPE was
|
||||
@ -2940,25 +2965,21 @@ AC_DEFUN(AC_CHECK_TYPE_INTERNAL,
|
||||
[AC_REQUIRE([AC_HEADER_STDC])dnl
|
||||
AC_VAR_PUSHDEF([ac_Type], [ac_cv_type_$1])dnl
|
||||
AC_CACHE_CHECK([for $1], ac_Type,
|
||||
[AC_TRY_COMPILE(m4_default([$4
|
||||
], [#include <stdio.h>
|
||||
#include <sys/types.h>
|
||||
#if STDC_HEADERS
|
||||
# include <stdlib.h>
|
||||
# include <stddef.h>
|
||||
#endif
|
||||
]),
|
||||
[$1 foo;],
|
||||
AC_VAR_SET(ac_Type, yes), AC_VAR_SET(ac_Type, no))])
|
||||
[AC_TRY_COMPILE(AC_INCLUDES_DEFAULT([$4]),
|
||||
[$1 foo;],
|
||||
AC_VAR_SET(ac_Type, yes),
|
||||
AC_VAR_SET(ac_Type, no))])
|
||||
AC_SHELL_IFELSE(test AC_VAR_GET(ac_Type) = yes,
|
||||
[$2], [$3])dnl
|
||||
AC_VAR_POPDEF([ac_Type])dnl
|
||||
])dnl AC_CHECK_TYPE_INTERNAL
|
||||
|
||||
|
||||
dnl AC_CHECK_TYPES(TYPES, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], [INCLUDES])
|
||||
dnl ---------------------------------------------------------------------------
|
||||
dnl TYPES is an m4 list.
|
||||
dnl AC_CHECK_TYPES((TYPE, ...),
|
||||
dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
|
||||
dnl [INCLUDES])
|
||||
dnl --------------------------------------------------------
|
||||
dnl TYPEs is an m4 list.
|
||||
AC_DEFUN(AC_CHECK_TYPES,
|
||||
[m4_foreach([AC_Type], [$1],
|
||||
[AC_SPECIALIZE([AC_CHECK_TYPE_INTERNAL], AC_Type,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user