diff options
Diffstat (limited to 'opcodes/aclocal.m4')
| -rw-r--r-- | opcodes/aclocal.m4 | 77 |
1 files changed, 70 insertions, 7 deletions
diff --git a/opcodes/aclocal.m4 b/opcodes/aclocal.m4 index 6ca14a1..9385da5 100644 --- a/opcodes/aclocal.m4 +++ b/opcodes/aclocal.m4 @@ -102,18 +102,17 @@ AC_REQUIRE([AM_PROG_LD]) AC_REQUIRE([AC_PROG_LN_S]) # Always use our own libtool. -LIBTOOL='$(top_builddir)/libtool' +LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL) dnl Allow the --disable-shared flag to stop us from building shared libs. AC_ARG_ENABLE(shared, [ --enable-shared build shared libraries [default=yes]], -[case "$enableval" in - yes) enable_shared=yes ;; - no) enable_shared=no ;; - *opcodes*) enable_shared=yes ;; - *) shared=no ;; -esac]) +[if test "$enableval" = no; then + enable_shared=no +else + enable_shared=yes +fi]) libtool_shared= test "$enable_shared" = no && libtool_shared=" --disable-shared" @@ -320,3 +319,67 @@ rm -f conftest*]) MINGW32= test "$am_cv_mingw32" = yes && MINGW32=yes]) + +# serial 1 + +# @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 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{am_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 + +AC_DEFUN(AM_PROG_CC_STDC, +[AC_REQUIRE([AC_PROG_CC]) +AC_BEFORE([$0], [AC_C_INLINE]) +AC_BEFORE([$0], [AC_C_CONST]) +AC_MSG_CHECKING(for ${CC-cc} option to accept ANSI C) +AC_CACHE_VAL(am_cv_prog_cc_stdc, +[am_cv_prog_cc_stdc=no +ac_save_CC="$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 -Aa -D_HPUX_SOURCE +# SVR4 -Xc -D__EXTENSIONS__ +for ac_arg in "" -qlanglvl=ansi -std1 "-Aa -D_HPUX_SOURCE" "-Xc -D__EXTENSIONS__" +do + CC="$ac_save_CC $ac_arg" + AC_TRY_COMPILE( +[#if !defined(__STDC__) || __STDC__ != 1 +choke me +#endif +/* DYNIX/ptx V4.1.3 can't compile sys/stat.h with -Xc -D__EXTENSIONS__. */ +#ifdef _SEQUENT_ +# include <sys/types.h> +# include <sys/stat.h> +#endif +], [ +int test (int i, double x); +struct s1 {int (*f) (int a);}; +struct s2 {int (*f) (double a);};], +[am_cv_prog_cc_stdc="$ac_arg"; break]) +done +CC="$ac_save_CC" +]) +if test -z "$am_cv_prog_cc_stdc"; then + AC_MSG_RESULT([none needed]) +else + AC_MSG_RESULT($am_cv_prog_cc_stdc) +fi +case "x$am_cv_prog_cc_stdc" in + x|xno) ;; + *) CC="$CC $am_cv_prog_cc_stdc" ;; +esac +]) + |