binutils-gdb/bfd/acmacros.m4
Ian Lance Taylor 5e377ed2f2 tweaks
1997-08-01 01:43:21 +00:00

50 lines
1.3 KiB
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dnl See whether we need to use fopen-bin.h rather than fopen-same.h.
AC_DEFUN(BFD_BINARY_FOPEN,
[AC_REQUIRE([AC_CANONICAL_SYSTEM])
case "${host}" in
changequote(,)dnl
i[345]86-*-msdos* | i[345]86-*-go32* | *-*-cygwin32 | *-*-windows)
changequote([,])dnl
AC_DEFINE(USE_BINARY_FOPEN) ;;
esac])dnl
dnl Get a default for CC_FOR_BUILD to put into Makefile.
AC_DEFUN(BFD_CC_FOR_BUILD,
[# Put a plausible default for CC_FOR_BUILD in Makefile.
if test -z "$CC_FOR_BUILD"; then
if test "x$cross_compiling" = "xno"; then
CC_FOR_BUILD='$(CC)'
else
CC_FOR_BUILD=gcc
fi
fi
AC_SUBST(CC_FOR_BUILD)])dnl
dnl See whether we need a declaration for a function.
AC_DEFUN(BFD_NEED_DECLARATION,
[AC_MSG_CHECKING([whether $1 must be declared])
AC_CACHE_VAL(bfd_cv_decl_needed_$1,
[AC_TRY_COMPILE([
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#else
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif],
[char *(*pfn) = (char *(*)) $1],
bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)])
AC_MSG_RESULT($bfd_cv_decl_needed_$1)
if test $bfd_cv_decl_needed_$1 = yes; then
bfd_tr_decl=NEED_DECLARATION_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
AC_DEFINE_UNQUOTED($bfd_tr_decl)
fi
])dnl