merge from gcc
[binutils.git] / bfd / acinclude.m4
blobaaa147ece860dc888550fd31bf1973db5458a055
1 dnl See whether we need to use fopen-bin.h rather than fopen-same.h.
2 AC_DEFUN([BFD_BINARY_FOPEN],
3 [AC_REQUIRE([AC_CANONICAL_TARGET])
4 case "${host}" in
5 changequote(,)dnl
6 *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
7 changequote([,])dnl
8   AC_DEFINE(USE_BINARY_FOPEN, 1, [Use b modifier when opening binary files?]) ;;
9 esac])dnl
11 dnl Get a default for CC_FOR_BUILD to put into Makefile.
12 AC_DEFUN([BFD_CC_FOR_BUILD],
13 [# Put a plausible default for CC_FOR_BUILD in Makefile.
14 if test -z "$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
21 AC_SUBST(CC_FOR_BUILD)
22 # Also set EXEEXT_FOR_BUILD.
23 if test "x$cross_compiling" = "xno"; then
24   EXEEXT_FOR_BUILD='$(EXEEXT)'
25 else
26   AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext,
27     [rm -f conftest*
28      echo 'int main () { return 0; }' > conftest.c
29      bfd_cv_build_exeext=
30      ${CC_FOR_BUILD} -o conftest conftest.c 1>&5 2>&5
31      for file in conftest.*; do
32        case $file in
33        *.c | *.o | *.obj | *.ilk | *.pdb) ;;
34        *) bfd_cv_build_exeext=`echo $file | sed -e s/conftest//` ;;
35        esac
36      done
37      rm -f conftest*
38      test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no])
39   EXEEXT_FOR_BUILD=""
40   test x"${bfd_cv_build_exeext}" != xno && EXEEXT_FOR_BUILD=${bfd_cv_build_exeext}
42 AC_SUBST(EXEEXT_FOR_BUILD)])dnl
44 AC_DEFUN([AM_INSTALL_LIBBFD],
45 [AC_MSG_CHECKING([whether to install libbfd])
46   AC_ARG_ENABLE(install-libbfd,
47 [  --enable-install-libbfd controls installation of libbfd and related headers],
48       install_libbfd_p=$enableval,
49       if test "${host}" = "${target}" || test "$enable_shared" = "yes"; then
50         install_libbfd_p=yes
51       else
52         install_libbfd_p=no
53       fi)
54   AC_MSG_RESULT($install_libbfd_p)
55   AM_CONDITIONAL(INSTALL_LIBBFD, test $install_libbfd_p = yes)
56   # Need _noncanonical variables for this.
57   ACX_NONCANONICAL_HOST
58   ACX_NONCANONICAL_TARGET
59   # libbfd.a is a host library containing target dependent code
60   bfdlibdir='$(libdir)'
61   bfdincludedir='$(includedir)'
62   if test "${host}" != "${target}"; then
63     bfdlibdir='$(exec_prefix)/$(host_noncanonical)/$(target_noncanonical)/lib'
64     bfdincludedir='$(exec_prefix)/$(host_noncanonical)/$(target_noncanonical)/include'
65   fi
66   AC_SUBST(bfdlibdir)
67   AM_SUBST_NOTMAKE(bfdlibdir)
68   AC_SUBST(bfdincludedir)
69   AM_SUBST_NOTMAKE(bfdincludedir)