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dnl GNOME_SUPPORT_CHECKS
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dnl Check for various support functions needed by the standard
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dnl Gnome libraries. Sets LIBOBJS, might define some macros.
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dnl This should only be used when building the Gnome libs;
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dnl Gnome clients should not need this macro.
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AC_DEFUN([GNOME_SUPPORT_CHECKS],[
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# we need an `awk' to build `gnomesupport.h'
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AC_REQUIRE([AC_PROG_AWK])
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# this should go away soon
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need_gnome_support=yes
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save_LIBOBJS="$LIBOBJS"
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AC_CHECK_FUNCS(getopt_long,,LIBOBJS="$LIBOBJS getopt.o getopt1.o")
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# copied from `configure.in' of `libiberty'
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vars="program_invocation_short_name program_invocation_name sys_errlist"
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AC_MSG_CHECKING([for $v])
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AC_CACHE_VAL(gnome_cv_var_$v,
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[AC_TRY_LINK([int *p;], [extern int $v; p = &$v;],
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[eval "gnome_cv_var_$v=yes"],
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[eval "gnome_cv_var_$v=no"])])
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if eval "test \"`echo '$gnome_cv_var_'$v`\" = yes"; then
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n=HAVE_`echo $v | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
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AC_DEFINE_UNQUOTED($n)
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AC_REPLACE_FUNCS(memmove mkstemp scandir strcasecmp strerror strndup strnlen)
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AC_REPLACE_FUNCS(strtok_r strtod strtol strtoul vasprintf vsnprintf)
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AC_CHECK_FUNCS(realpath,,LIBOBJS="$LIBOBJS canonicalize.o")
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# to include `error.c' error.c has some HAVE_* checks
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AC_CHECK_FUNCS(vprintf doprnt strerror_r)
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# This is required if we declare setreuid () and setregid ().
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# see if we need to declare some functions. Solaris is notorious for
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# putting functions into the `libc' but not listing them in the headers
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AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h dirent.h)
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GCC_NEED_DECLARATIONS(gethostname setreuid setregid getpagesize)
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GCC_NEED_DECLARATION(scandir,[
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# Turn our LIBOBJS into libtool objects. This is gross, but it
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# requires changes to autoconf before it goes away.
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LTLIBOBJS=`echo "$LIBOBJS" | sed 's/\.o/.lo/g'`
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AC_SUBST(need_gnome_support)
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LIBOBJS="$save_LIBOBJS"
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AM_CONDITIONAL(BUILD_GNOME_SUPPORT, test "$need_gnome_support" = yes)