acinclude.m4 revision 38889 
1dnl See whether we need to use fopen-bin.h rather than fopen-same.h.
2AC_DEFUN(BFD_BINARY_FOPEN,
3[AC_REQUIRE([AC_CANONICAL_SYSTEM])
4case "${host}" in
5changequote(,)dnl
6i[345]86-*-msdos* | i[345]86-*-go32* | i[345]86-*-mingw32* | *-*-cygwin32* | *-*-windows)
7changequote([,])dnl
8  AC_DEFINE(USE_BINARY_FOPEN) ;;
9esac])dnl
10
11dnl Get a default for CC_FOR_BUILD to put into Makefile.
12AC_DEFUN(BFD_CC_FOR_BUILD,
13[# Put a plausible default for CC_FOR_BUILD in Makefile.
14if test -z "$CC_FOR_BUILD"; then
15  if test "x$cross_compiling" = "xno"; then
16    CC_FOR_BUILD='$(CC)'
17  else
18    CC_FOR_BUILD=gcc
19  fi
20fi
21AC_SUBST(CC_FOR_BUILD)
22# Also set EXEEXT_FOR_BUILD.
23if test "x$cross_compiling" = "xno"; then
24  EXEEXT_FOR_BUILD='$(EXEEXT)'
25else
26  AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext,
27    [cat > ac_c_test.c << 'EOF'
28int main() {
29/* Nothing needed here */
30}
31EOF
32    ${CC_FOR_BUILD} -o ac_c_test am_c_test.c 1>&5 2>&5
33    bfd_cv_build_exeext=`echo ac_c_test.* | grep -v ac_c_test.c | sed -e s/ac_c_test//`
34    rm -f ac_c_test*
35    test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no])
36  EXEEXT_FOR_BUILD=""
37  test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext}
38fi
39AC_SUBST(EXEEXT_FOR_BUILD)])dnl
40
41dnl See whether we need a declaration for a function.
42AC_DEFUN(BFD_NEED_DECLARATION,
43[AC_MSG_CHECKING([whether $1 must be declared])
44AC_CACHE_VAL(bfd_cv_decl_needed_$1,
45[AC_TRY_COMPILE([
46#include <stdio.h>
47#ifdef HAVE_STRING_H
48#include <string.h>
49#else
50#ifdef HAVE_STRINGS_H
51#include <strings.h>
52#endif
53#endif
54#ifdef HAVE_STDLIB_H
55#include <stdlib.h>
56#endif
57#ifdef HAVE_UNISTD_H
58#include <unistd.h>
59#endif],
60[char *(*pfn) = (char *(*)) $1],
61bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)])
62AC_MSG_RESULT($bfd_cv_decl_needed_$1)
63if test $bfd_cv_decl_needed_$1 = yes; then
64  bfd_tr_decl=NEED_DECLARATION_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
65  AC_DEFINE_UNQUOTED($bfd_tr_decl)
66fi
67])dnl
68