mirror of
git://git.sv.gnu.org/autoconf
synced 2025-03-25 14:50:24 +08:00
1999-10-31 Ben Elliston <bje@cygnus.com>
* acspecific.m4 (AC_PROG_CC_STDC, AC_C_PROTOTYPES): Inherit from Automake. From Franc,ois Pinard. * autoconf.texi (Particular Programs): Document AC_PROG_CC_STDC. (C Compiler Characteristics): Document AC_C_PROTOTYPES.
This commit is contained in:
Ben Elliston
parent
04093c4a1c
commit
c645272f5f
@ -1,5 +1,10 @@
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1999-10-31 Ben Elliston <bje@cygnus.com>
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* acspecific.m4 (AC_PROG_CC_STDC, AC_C_PROTOTYPES): Inherit from
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Automake. From Franc,ois Pinard.
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* autoconf.texi (Particular Programs): Document AC_PROG_CC_STDC.
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(C Compiler Characteristics): Document AC_C_PROTOTYPES.
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* testsuite/autoconf.s/defines.exp: Changed `fail' and `pass' in
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`xfail' and `xpass'. The testsuite checks that acconfig.h
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templates the AC_DEFINEs. Since we no longer rely on acconfig.h,
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@ -10,8 +15,6 @@
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1999-10-27 Ben Elliston <bje@cygnus.com>
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* THANKS: Updated Alexandre's address.
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* autoconf.texi (Generic Programs): @defmac for AC_PATH_TOOL may
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not span multiple lines.
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4
NEWS
4
NEWS
@ -23,6 +23,10 @@ Major changes in release 2.15:
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Document and ask for the registration of an envvar.
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- AC_CONFIG_LINKS
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Replaces the now obsolete AC_LINK_FILES.
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- AC_PROG_CC_STDC
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Checks if the compiler supports ISO C, included when needs special
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options.
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* Environment variables are kept when reconfiguring.
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The previous scheme to set envvar before running configure was
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ENV=VAL ./configure
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2
TODO
2
TODO
@ -28,6 +28,8 @@ so that we can run ./config.status name-of-the command.
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** Move AM_PROG_CC_STDC into Autoconf.
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Autoconf should provide the means to determine the ANSIsm of the
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compiler, not Automake.
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I've done it, but this is the last opportunity to change this macro
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name: AC_PROG_CC_ISO? Or even more specific for the ISO version?
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** Provide means to provides commands to run before AC_OUTPUT.
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This is what is needed for LTLIBOBJS and others.
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126
acspecific.m4
126
acspecific.m4
@ -203,6 +203,7 @@ else
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fi
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])
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dnl AC_PROG_CC_WORKS
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dnl ----------------
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AC_DEFUN(AC_PROG_CC_WORKS,
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@ -221,6 +222,7 @@ AC_MSG_RESULT($ac_cv_prog_cc_cross)
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cross_compiling=$ac_cv_prog_cc_cross
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])
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dnl AC_PROG_CXX_WORKS
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dnl -----------------
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AC_DEFUN(AC_PROG_CXX_WORKS,
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@ -239,6 +241,7 @@ AC_MSG_RESULT($ac_cv_prog_cxx_cross)
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cross_compiling=$ac_cv_prog_cxx_cross
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])
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dnl AC_PROG_F77_WORKS
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dnl -----------------
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dnl Test whether the Fortran 77 compiler can compile and link a trivial
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@ -263,6 +266,7 @@ AC_MSG_RESULT($ac_cv_prog_f77_cross)
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cross_compiling=$ac_cv_prog_f77_cross
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])
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dnl AC_PROG_CC_GNU
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dnl --------------
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AC_DEFUN(AC_PROG_CC_GNU,
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@ -279,6 +283,7 @@ else
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ac_cv_prog_gcc=no
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fi])])
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dnl AC_PROG_CXX_GNU
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dnl ---------------
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AC_DEFUN(AC_PROG_CXX_GNU,
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@ -295,6 +300,7 @@ else
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ac_cv_prog_gxx=no
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fi])])
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dnl AC_PROG_F77_GNU
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dnl ---------------
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dnl Test whether for Fortran 77 compiler is `g77' (the GNU Fortran 77
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@ -360,6 +366,9 @@ fi
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rm -f conftest*
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])])
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dnl AC_PROG_GCC_TRADITIONAL
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dnl -----------------------
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AC_DEFUN(AC_PROG_GCC_TRADITIONAL,
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[AC_REQUIRE([AC_PROG_CC])dnl
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AC_REQUIRE([AC_PROG_CPP])dnl
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@ -380,7 +389,8 @@ Autoconf TCGETA],
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CC="$CC -traditional"
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fi
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fi
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])
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])dnl AC_PROG_GCC_TRADITIONAL
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dnl AC_PROG_CC_C_O
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dnl --------------
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@ -434,14 +444,14 @@ fi
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])dnl AC_PROG_CC_C_O
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dnl AC_PROG_F77_C_O
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dnl ---------------
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dnl Test if the Fortran 77 compiler accepts the options `-c' and `-o'
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dnl simultaneously, and define `F77_NO_MINUS_C_MINUS_O' if it does not.
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dnl
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dnl The usefulness of this macro is questionable, as I can't really see
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dnl why anyone would use it. The only reason I include it is for
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dnl completeness, since a similar test exists for the C compiler.
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dnl
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dnl AC_PROG_F77_C_O
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AC_DEFUN(AC_PROG_F77_C_O,
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[AC_BEFORE([$0], [AC_PROG_F77])dnl
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AC_MSG_CHECKING(whether $F77 understand -c and -o together)
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@ -472,7 +482,87 @@ else
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AC_DEFINE(F77_NO_MINUS_C_MINUS_O, 1,
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[Define if your Fortran 77 compiler doesn't accept -c and -o together.])
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fi
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])dnl AC_PROG_F77_C_O
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dnl AC_PROG_CC_STDC
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dnl ---------------
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dnl If the C compiler in not in ANSI C mode by default, try to add an
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dnl option to output variable @code{CC} to make it so. This macro tries
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dnl various options that select ANSI C on some system or another. It
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dnl considers the compiler to be in ANSI C mode if it handles function
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dnl prototypes correctly.
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AC_DEFUN(AC_PROG_CC_STDC,
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[AC_REQUIRE([AC_PROG_CC])dnl
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AC_BEFORE([$0], [AC_C_INLINE])dnl
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AC_BEFORE([$0], [AC_C_CONST])dnl
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dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
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dnl a magic option to avoid problems with ANSI preprocessor commands
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dnl like #elif.
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dnl FIXME: can't do this because then AC_AIX won't work due to a
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dnl circular dependency.
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dnl AC_BEFORE([$0], [AC_PROG_CPP])
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AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
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AC_CACHE_VAL(ac_cv_prog_cc_stdc,
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[ac_cv_prog_cc_stdc=no
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ac_save_CC="$CC"
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# Don't try gcc -ansi; that turns off useful extensions and
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# breaks some systems' header files.
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# AIX -qlanglvl=ansi
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# Ultrix and OSF/1 -std1
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# HP-UX 10.20 and later -Ae
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# HP-UX older versions -Aa -D_HPUX_SOURCE
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# SVR4 -Xc -D__EXTENSIONS__
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for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
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do
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CC="$ac_save_CC $ac_arg"
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AC_TRY_COMPILE(
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[#include <stdarg.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
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struct buf { int x; };
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FILE * (*rcsopen) (struct buf *, struct stat *, int);
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static char *e (p, i)
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char **p;
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int i;
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{
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return p[i];
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}
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static char *f (char * (*g) (char **, int), char **p, ...)
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{
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char *s;
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va_list v;
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va_start (v,p);
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s = g (p, va_arg (v,int));
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va_end (v);
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return s;
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}
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int test (int i, double x);
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struct s1 {int (*f) (int a);};
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struct s2 {int (*f) (double a);};
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int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
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int argc;
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char **argv;
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], [
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return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
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],
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[ac_cv_prog_cc_stdc="$ac_arg"; break])
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done
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CC="$ac_save_CC"
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])
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if test -z "$ac_cv_prog_cc_stdc"; then
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AC_MSG_RESULT([none needed])
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else
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AC_MSG_RESULT($ac_cv_prog_cc_stdc)
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fi
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case "x$ac_cv_prog_cc_stdc" in
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x|xno) ;;
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*) CC="$CC $ac_cv_prog_cc_stdc" ;;
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esac
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])dnl AC_PROG_CC_STDC
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dnl AC_PROG_MAKE_SET
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dnl ----------------
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@ -2202,6 +2292,8 @@ if test $ac_cv_c_bigendian = yes; then
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fi
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])
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dnl AC_C_INLINE
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dnl -----------
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dnl Do nothing if the compiler accepts the inline keyword.
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dnl Otherwise define inline to __inline__ or __inline if one of those work,
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dnl otherwise define inline to be empty.
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@ -2223,6 +2315,9 @@ case "$ac_cv_c_inline" in
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esac
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])
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dnl AC_C_CONST
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dnl ----------
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AC_DEFUN(AC_C_CONST,
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[dnl This message is consistent in form with the other checking messages,
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dnl and with the result message.
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||||
@ -2278,7 +2373,8 @@ if test $ac_cv_c_const = no; then
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AC_DEFINE(const,,
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[Define to empty if the keyword `const' does not work.])
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fi
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])
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||||
])dnl AC_C_CONST
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||||
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||||
dnl AC_C_VOLATILE
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||||
dnl -------------
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@ -2302,6 +2398,7 @@ if test $ac_cv_c_volatile = no; then
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fi
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])
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||||
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||||
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dnl AC_C_STRINGIZE
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||||
dnl --------------
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||||
dnl Checks if `#' can be used to glue strings together at the CPP level.
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||||
@ -2320,7 +2417,26 @@ if test "${ac_cv_c_stringize}" = yes; then
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||||
[Define if you have the ANSI # stringizing operator in cpp.])
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||||
fi
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||||
AC_MSG_RESULT([${ac_cv_c_stringize}])
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])dnl
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||||
])dnl AC_C_STRINGIZE
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||||
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||||
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||||
dnl AC_C_PROTOTYPES
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dnl ---------------
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||||
dnl Check if the C compiler supports prototypes, included if it needs
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dnl options.
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||||
AC_DEFUN(AC_C_PROTOTYPES,
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[AC_REQUIRE([AC_PROG_CC_STDC])dnl
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||||
AC_REQUIRE([AC_PROG_CPP])dnl
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||||
AC_MSG_CHECKING([for function prototypes])
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||||
if test "$ac_cv_prog_cc_stdc" != no; then
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||||
AC_MSG_RESULT(yes)
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||||
AC_DEFINE(PROTOTYPES, 1,
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||||
[Define if the compiler supports function prototypes.])
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||||
else
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||||
AC_MSG_RESULT(no)
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||||
fi
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||||
])dnl AC_C_PROTOTYPES
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||||
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||||
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||||
define(AC_ARG_ARRAY,
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[AC_FATAL([$0 has been removed; don't do non-portable things with arguments], 4)])
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||||
@ -1637,6 +1637,23 @@ If the C compiler does not accept the @samp{-c} and @samp{-o} options
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simultaneously, define @code{NO_MINUS_C_MINUS_O}.
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@end defmac
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||||
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||||
@defmac AC_PROG_CC_STDC
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@maindex PROG_CC_STDC
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@ovindex CC
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If the C compiler in not in ANSI C mode by default, try to add an option
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||||
to output variable @code{CC} to make it so. This macro tries various
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||||
options that select ANSI C on some system or another. It considers the
|
||||
compiler to be in ANSI C mode if it handles function prototypes
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||||
correctly.
|
||||
|
||||
If you use this macro, you should check after calling it whether the C
|
||||
compiler has been set to accept ANSI C; if not, the shell variable
|
||||
@code{ac_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
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||||
code in ANSI C, you can make an un-ANSIfied copy of it by using the
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||||
program @code{ansi2knr}, which comes with Ghostscript.
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||||
@end defmac
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||||
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||||
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||||
@defmac AC_PROG_CPP
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||||
@maindex PROG_CPP
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||||
@ovindex CPP
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||||
@ -2844,7 +2861,6 @@ is defined. However, Ultrix 4.3's native compiler does support
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||||
volatile, but does not defined @code{__STDC__}.
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||||
@end defmac
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||||
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||||
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||||
@defmac AC_C_INLINE
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||||
@maindex C_INLINE
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||||
@cvindex inline
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||||
@ -2881,6 +2897,32 @@ found in macros such as this:
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||||
@end example
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||||
@end defmac
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||||
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||||
@defmac AC_C_PROTOTYPES
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||||
@maindex C_PROTOTYPES
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||||
@cvindex PROTOTYPES
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@cvindex PARAMS
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||||
Check to see if function prototypes are understood by the compiler. If
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||||
so, define @samp{PROTOTYPES}. In the case the compiler does not handle
|
||||
prototypes, you should use @code{ansi2knr}, which comes with the
|
||||
Ghostscript distribution, to unprotoize function definitions. For
|
||||
function prototypes, you should first define @code{PARAMS}:
|
||||
@example
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||||
#ifndef PARAMS
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||||
# if PROTOTYPES
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||||
# define PARAMS(protos) protos
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||||
# else /* no PROTOTYPES */
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||||
# define PARAMS(protos) ()
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||||
# endif /* no PROTOTYPES */
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||||
#endif
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||||
@end example
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||||
then use it this way:
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||||
@example
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||||
size_t my_strlen PARAMS ((const char *));
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||||
@end example
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||||
@end defmac
|
||||
|
||||
@c FIXME: What the heck is this macro doing here? Move it out of
|
||||
@c the way, in its proper section!!!
|
||||
@defmac AC_CHECK_SIZEOF (@var{type} @r{[}, @var{cross-size}@r{[}, @var{includes}@r{]]})
|
||||
@maindex CHECK_SIZEOF
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||||
Define @code{SIZEOF_@var{uctype}} to be the size in bytes of the C (or
|
||||
|
||||
@ -1637,6 +1637,23 @@ If the C compiler does not accept the @samp{-c} and @samp{-o} options
|
||||
simultaneously, define @code{NO_MINUS_C_MINUS_O}.
|
||||
@end defmac
|
||||
|
||||
@defmac AC_PROG_CC_STDC
|
||||
@maindex PROG_CC_STDC
|
||||
@ovindex CC
|
||||
If the C compiler in not in ANSI C mode by default, try to add an option
|
||||
to output variable @code{CC} to make it so. This macro tries various
|
||||
options that select ANSI C on some system or another. It considers the
|
||||
compiler to be in ANSI C mode if it handles function prototypes
|
||||
correctly.
|
||||
|
||||
If you use this macro, you should check after calling it whether the C
|
||||
compiler has been set to accept ANSI C; if not, the shell variable
|
||||
@code{ac_cv_prog_cc_stdc} is set to @samp{no}. If you wrote your source
|
||||
code in ANSI C, you can make an un-ANSIfied copy of it by using the
|
||||
program @code{ansi2knr}, which comes with Ghostscript.
|
||||
@end defmac
|
||||
|
||||
|
||||
@defmac AC_PROG_CPP
|
||||
@maindex PROG_CPP
|
||||
@ovindex CPP
|
||||
@ -2844,7 +2861,6 @@ is defined. However, Ultrix 4.3's native compiler does support
|
||||
volatile, but does not defined @code{__STDC__}.
|
||||
@end defmac
|
||||
|
||||
|
||||
@defmac AC_C_INLINE
|
||||
@maindex C_INLINE
|
||||
@cvindex inline
|
||||
@ -2881,6 +2897,32 @@ found in macros such as this:
|
||||
@end example
|
||||
@end defmac
|
||||
|
||||
@defmac AC_C_PROTOTYPES
|
||||
@maindex C_PROTOTYPES
|
||||
@cvindex PROTOTYPES
|
||||
@cvindex PARAMS
|
||||
Check to see if function prototypes are understood by the compiler. If
|
||||
so, define @samp{PROTOTYPES}. In the case the compiler does not handle
|
||||
prototypes, you should use @code{ansi2knr}, which comes with the
|
||||
Ghostscript distribution, to unprotoize function definitions. For
|
||||
function prototypes, you should first define @code{PARAMS}:
|
||||
@example
|
||||
#ifndef PARAMS
|
||||
# if PROTOTYPES
|
||||
# define PARAMS(protos) protos
|
||||
# else /* no PROTOTYPES */
|
||||
# define PARAMS(protos) ()
|
||||
# endif /* no PROTOTYPES */
|
||||
#endif
|
||||
@end example
|
||||
then use it this way:
|
||||
@example
|
||||
size_t my_strlen PARAMS ((const char *));
|
||||
@end example
|
||||
@end defmac
|
||||
|
||||
@c FIXME: What the heck is this macro doing here? Move it out of
|
||||
@c the way, in its proper section!!!
|
||||
@defmac AC_CHECK_SIZEOF (@var{type} @r{[}, @var{cross-size}@r{[}, @var{includes}@r{]]})
|
||||
@maindex CHECK_SIZEOF
|
||||
Define @code{SIZEOF_@var{uctype}} to be the size in bytes of the C (or
|
||||
|
||||
@ -203,6 +203,7 @@ else
|
||||
fi
|
||||
])
|
||||
|
||||
|
||||
dnl AC_PROG_CC_WORKS
|
||||
dnl ----------------
|
||||
AC_DEFUN(AC_PROG_CC_WORKS,
|
||||
@ -221,6 +222,7 @@ AC_MSG_RESULT($ac_cv_prog_cc_cross)
|
||||
cross_compiling=$ac_cv_prog_cc_cross
|
||||
])
|
||||
|
||||
|
||||
dnl AC_PROG_CXX_WORKS
|
||||
dnl -----------------
|
||||
AC_DEFUN(AC_PROG_CXX_WORKS,
|
||||
@ -239,6 +241,7 @@ AC_MSG_RESULT($ac_cv_prog_cxx_cross)
|
||||
cross_compiling=$ac_cv_prog_cxx_cross
|
||||
])
|
||||
|
||||
|
||||
dnl AC_PROG_F77_WORKS
|
||||
dnl -----------------
|
||||
dnl Test whether the Fortran 77 compiler can compile and link a trivial
|
||||
@ -263,6 +266,7 @@ AC_MSG_RESULT($ac_cv_prog_f77_cross)
|
||||
cross_compiling=$ac_cv_prog_f77_cross
|
||||
])
|
||||
|
||||
|
||||
dnl AC_PROG_CC_GNU
|
||||
dnl --------------
|
||||
AC_DEFUN(AC_PROG_CC_GNU,
|
||||
@ -279,6 +283,7 @@ else
|
||||
ac_cv_prog_gcc=no
|
||||
fi])])
|
||||
|
||||
|
||||
dnl AC_PROG_CXX_GNU
|
||||
dnl ---------------
|
||||
AC_DEFUN(AC_PROG_CXX_GNU,
|
||||
@ -295,6 +300,7 @@ else
|
||||
ac_cv_prog_gxx=no
|
||||
fi])])
|
||||
|
||||
|
||||
dnl AC_PROG_F77_GNU
|
||||
dnl ---------------
|
||||
dnl Test whether for Fortran 77 compiler is `g77' (the GNU Fortran 77
|
||||
@ -360,6 +366,9 @@ fi
|
||||
rm -f conftest*
|
||||
])])
|
||||
|
||||
|
||||
dnl AC_PROG_GCC_TRADITIONAL
|
||||
dnl -----------------------
|
||||
AC_DEFUN(AC_PROG_GCC_TRADITIONAL,
|
||||
[AC_REQUIRE([AC_PROG_CC])dnl
|
||||
AC_REQUIRE([AC_PROG_CPP])dnl
|
||||
@ -380,7 +389,8 @@ Autoconf TCGETA],
|
||||
CC="$CC -traditional"
|
||||
fi
|
||||
fi
|
||||
])
|
||||
])dnl AC_PROG_GCC_TRADITIONAL
|
||||
|
||||
|
||||
dnl AC_PROG_CC_C_O
|
||||
dnl --------------
|
||||
@ -434,14 +444,14 @@ fi
|
||||
])dnl AC_PROG_CC_C_O
|
||||
|
||||
|
||||
dnl AC_PROG_F77_C_O
|
||||
dnl ---------------
|
||||
dnl Test if the Fortran 77 compiler accepts the options `-c' and `-o'
|
||||
dnl simultaneously, and define `F77_NO_MINUS_C_MINUS_O' if it does not.
|
||||
dnl
|
||||
dnl The usefulness of this macro is questionable, as I can't really see
|
||||
dnl why anyone would use it. The only reason I include it is for
|
||||
dnl completeness, since a similar test exists for the C compiler.
|
||||
dnl
|
||||
dnl AC_PROG_F77_C_O
|
||||
AC_DEFUN(AC_PROG_F77_C_O,
|
||||
[AC_BEFORE([$0], [AC_PROG_F77])dnl
|
||||
AC_MSG_CHECKING(whether $F77 understand -c and -o together)
|
||||
@ -472,7 +482,87 @@ else
|
||||
AC_DEFINE(F77_NO_MINUS_C_MINUS_O, 1,
|
||||
[Define if your Fortran 77 compiler doesn't accept -c and -o together.])
|
||||
fi
|
||||
])dnl AC_PROG_F77_C_O
|
||||
|
||||
|
||||
dnl AC_PROG_CC_STDC
|
||||
dnl ---------------
|
||||
dnl If the C compiler in not in ANSI C mode by default, try to add an
|
||||
dnl option to output variable @code{CC} to make it so. This macro tries
|
||||
dnl various options that select ANSI C on some system or another. It
|
||||
dnl considers the compiler to be in ANSI C mode if it handles function
|
||||
dnl prototypes correctly.
|
||||
AC_DEFUN(AC_PROG_CC_STDC,
|
||||
[AC_REQUIRE([AC_PROG_CC])dnl
|
||||
AC_BEFORE([$0], [AC_C_INLINE])dnl
|
||||
AC_BEFORE([$0], [AC_C_CONST])dnl
|
||||
dnl Force this before AC_PROG_CPP. Some cpp's, eg on HPUX, require
|
||||
dnl a magic option to avoid problems with ANSI preprocessor commands
|
||||
dnl like #elif.
|
||||
dnl FIXME: can't do this because then AC_AIX won't work due to a
|
||||
dnl circular dependency.
|
||||
dnl AC_BEFORE([$0], [AC_PROG_CPP])
|
||||
AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C)
|
||||
AC_CACHE_VAL(ac_cv_prog_cc_stdc,
|
||||
[ac_cv_prog_cc_stdc=no
|
||||
ac_save_CC="$CC"
|
||||
# Don't try gcc -ansi; that turns off useful extensions and
|
||||
# breaks some systems' header files.
|
||||
# AIX -qlanglvl=ansi
|
||||
# Ultrix and OSF/1 -std1
|
||||
# HP-UX 10.20 and later -Ae
|
||||
# HP-UX older versions -Aa -D_HPUX_SOURCE
|
||||
# SVR4 -Xc -D__EXTENSIONS__
|
||||
for ac_arg in "" -qlanglvl=ansi -std1 -Ae "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__"
|
||||
do
|
||||
CC="$ac_save_CC $ac_arg"
|
||||
AC_TRY_COMPILE(
|
||||
[#include <stdarg.h>
|
||||
#include <stdio.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
/* Most of the following tests are stolen from RCS 5.7's src/conf.sh. */
|
||||
struct buf { int x; };
|
||||
FILE * (*rcsopen) (struct buf *, struct stat *, int);
|
||||
static char *e (p, i)
|
||||
char **p;
|
||||
int i;
|
||||
{
|
||||
return p[i];
|
||||
}
|
||||
static char *f (char * (*g) (char **, int), char **p, ...)
|
||||
{
|
||||
char *s;
|
||||
va_list v;
|
||||
va_start (v,p);
|
||||
s = g (p, va_arg (v,int));
|
||||
va_end (v);
|
||||
return s;
|
||||
}
|
||||
int test (int i, double x);
|
||||
struct s1 {int (*f) (int a);};
|
||||
struct s2 {int (*f) (double a);};
|
||||
int pairnames (int, char **, FILE *(*)(struct buf *, struct stat *, int), int, int);
|
||||
int argc;
|
||||
char **argv;
|
||||
], [
|
||||
return f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1];
|
||||
],
|
||||
[ac_cv_prog_cc_stdc="$ac_arg"; break])
|
||||
done
|
||||
CC="$ac_save_CC"
|
||||
])
|
||||
if test -z "$ac_cv_prog_cc_stdc"; then
|
||||
AC_MSG_RESULT([none needed])
|
||||
else
|
||||
AC_MSG_RESULT($ac_cv_prog_cc_stdc)
|
||||
fi
|
||||
case "x$ac_cv_prog_cc_stdc" in
|
||||
x|xno) ;;
|
||||
*) CC="$CC $ac_cv_prog_cc_stdc" ;;
|
||||
esac
|
||||
])dnl AC_PROG_CC_STDC
|
||||
|
||||
|
||||
dnl AC_PROG_MAKE_SET
|
||||
dnl ----------------
|
||||
@ -2202,6 +2292,8 @@ if test $ac_cv_c_bigendian = yes; then
|
||||
fi
|
||||
])
|
||||
|
||||
dnl AC_C_INLINE
|
||||
dnl -----------
|
||||
dnl Do nothing if the compiler accepts the inline keyword.
|
||||
dnl Otherwise define inline to __inline__ or __inline if one of those work,
|
||||
dnl otherwise define inline to be empty.
|
||||
@ -2223,6 +2315,9 @@ case "$ac_cv_c_inline" in
|
||||
esac
|
||||
])
|
||||
|
||||
|
||||
dnl AC_C_CONST
|
||||
dnl ----------
|
||||
AC_DEFUN(AC_C_CONST,
|
||||
[dnl This message is consistent in form with the other checking messages,
|
||||
dnl and with the result message.
|
||||
@ -2278,7 +2373,8 @@ if test $ac_cv_c_const = no; then
|
||||
AC_DEFINE(const,,
|
||||
[Define to empty if the keyword `const' does not work.])
|
||||
fi
|
||||
])
|
||||
])dnl AC_C_CONST
|
||||
|
||||
|
||||
dnl AC_C_VOLATILE
|
||||
dnl -------------
|
||||
@ -2302,6 +2398,7 @@ if test $ac_cv_c_volatile = no; then
|
||||
fi
|
||||
])
|
||||
|
||||
|
||||
dnl AC_C_STRINGIZE
|
||||
dnl --------------
|
||||
dnl Checks if `#' can be used to glue strings together at the CPP level.
|
||||
@ -2320,7 +2417,26 @@ if test "${ac_cv_c_stringize}" = yes; then
|
||||
[Define if you have the ANSI # stringizing operator in cpp.])
|
||||
fi
|
||||
AC_MSG_RESULT([${ac_cv_c_stringize}])
|
||||
])dnl
|
||||
])dnl AC_C_STRINGIZE
|
||||
|
||||
|
||||
dnl AC_C_PROTOTYPES
|
||||
dnl ---------------
|
||||
dnl Check if the C compiler supports prototypes, included if it needs
|
||||
dnl options.
|
||||
AC_DEFUN(AC_C_PROTOTYPES,
|
||||
[AC_REQUIRE([AC_PROG_CC_STDC])dnl
|
||||
AC_REQUIRE([AC_PROG_CPP])dnl
|
||||
AC_MSG_CHECKING([for function prototypes])
|
||||
if test "$ac_cv_prog_cc_stdc" != no; then
|
||||
AC_MSG_RESULT(yes)
|
||||
AC_DEFINE(PROTOTYPES, 1,
|
||||
[Define if the compiler supports function prototypes.])
|
||||
else
|
||||
AC_MSG_RESULT(no)
|
||||
fi
|
||||
])dnl AC_C_PROTOTYPES
|
||||
|
||||
|
||||
define(AC_ARG_ARRAY,
|
||||
[AC_FATAL([$0 has been removed; don't do non-portable things with arguments], 4)])
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user