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author | Tanaka Akira <akr@users.sourceforge.net> | 1999-04-15 18:05:35 +0000 |
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committer | Tanaka Akira <akr@users.sourceforge.net> | 1999-04-15 18:05:35 +0000 |
commit | c175751b501a3a4cb40ad4787340a597ea769be4 (patch) | |
tree | f5cd9e9bf7dbfb5b91569181f260965c0a3cb8ad /aclocal.m4 | |
download | zsh-c175751b501a3a4cb40ad4787340a597ea769be4.tar.gz zsh-c175751b501a3a4cb40ad4787340a597ea769be4.tar.xz zsh-c175751b501a3a4cb40ad4787340a597ea769be4.zip |
Initial revision
Diffstat (limited to 'aclocal.m4')
-rw-r--r-- | aclocal.m4 | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4 new file mode 100644 index 000000000..672341b58 --- /dev/null +++ b/aclocal.m4 @@ -0,0 +1,52 @@ +# Local additions to Autoconf macros. +# Copyright (C) 1992, 1994 Free Software Foundation, Inc. +# Francois Pinard <pinard@iro.umontreal.ca>, 1992. + +# @defmac fp_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 defines @code{__STDC__} to 1 and +# 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{fp_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 + +define(fp_PROG_CC_STDC, +[AC_CACHE_CHECK(for ${CC-cc} option to accept ANSI C, +fp_cv_prog_cc_stdc, +[fp_cv_prog_cc_stdc=no +ac_save_CFLAGS="$CFLAGS" +# 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 -Aa -D_HPUX_SOURCE +# SVR4 -Xc +for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" -Xc +do + CFLAGS="$ac_save_CFLAGS $ac_arg" + AC_TRY_COMPILE( +[#ifndef __STDC__ +choke me +#endif +], [int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);};], +[fp_cv_prog_cc_stdc="$ac_arg"; break]) +done +CFLAGS="$ac_save_CFLAGS" +]) +case "x$fp_cv_prog_cc_stdc" in + x|xno) ;; + *) CC="$CC $fp_cv_prog_cc_stdc" ;; +esac +]) + +builtin(include, aczsh.m4) |