freebsd-nq/contrib/binutils/bfd/acinclude.m4
2000-05-12 23:15:20 +00:00

108 lines
3.2 KiB
Plaintext

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 "${host}" in
changequote(,)dnl
*-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
changequote([,])dnl
AC_DEFINE(USE_BINARY_FOPEN, 1, [Use b modifier when opening binary files?]) ;;
esac])dnl
dnl Get a default for CC_FOR_BUILD to put into Makefile.
AC_DEFUN(BFD_CC_FOR_BUILD,
[# Put a plausible default for CC_FOR_BUILD in Makefile.
if test -z "$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)
# Also set EXEEXT_FOR_BUILD.
if test "x$cross_compiling" = "xno"; then
EXEEXT_FOR_BUILD='$(EXEEXT)'
else
AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext,
[rm -f conftest*
echo 'int main () { return 0; }' > conftest.c
bfd_cv_build_exeext=
${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
for file in conftest.*; do
case $file in
*.c | *.o | *.obj | *.ilk | *.pdb) ;;
*) bfd_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
esac
done
rm -f conftest*
test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no])
EXEEXT_FOR_BUILD=""
test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext}
fi
AC_SUBST(EXEEXT_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
AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
[Define if $1 is not declared in system header files.])
fi
])dnl
dnl Check for existence of a type $1 in sys/procfs.h
AC_DEFUN(BFD_HAVE_SYS_PROCFS_TYPE,
[AC_MSG_CHECKING([for $1 in sys/procfs.h])
AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_$1,
[AC_TRY_COMPILE([#include <sys/procfs.h>],
[$1 avar],
bfd_cv_have_sys_procfs_type_$1=yes,
bfd_cv_have_sys_procfs_type_$1=no
)])
if test $bfd_cv_have_sys_procfs_type_$1 = yes; then
AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z]), 1,
[Define if <sys/procfs.h> has $1.])
fi
AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_$1)
])
dnl Check for existence of member $2 in type $1 in sys/procfs.h
AC_DEFUN(BFD_HAVE_SYS_PROCFS_TYPE_MEMBER,
[AC_MSG_CHECKING([for $1.$2 in sys/procfs.h])
AC_CACHE_VAL(bfd_cv_have_sys_procfs_type_member_$1_$2,
[AC_TRY_COMPILE([#include <sys/procfs.h>],
[$1 avar; void* aref = (void*) &avar.$2],
bfd_cv_have_sys_procfs_type_member_$1_$2=yes,
bfd_cv_have_sys_procfs_type_member_$1_$2=no
)])
if test $bfd_cv_have_sys_procfs_type_member_$1_$2 = yes; then
AC_DEFINE([HAVE_]translit($1, [a-z], [A-Z])[_]translit($2, [a-z], [A-Z]), 1,
[Define if <sys/procfs.h> has $1.$2.])
fi
AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_member_$1_$2)
])