gdb: add target_ops::supports_displaced_step
[deliverable/binutils-gdb.git] / bfd / acinclude.m4
index a3ef3c5628080fbea0462962d336f395cc67a90a..b014ef3a8c0fbc7278d81d54983f4699a9406ca2 100644 (file)
@@ -1,15 +1,33 @@
+dnl
+dnl   Copyright (C) 2012-2020 Free Software Foundation, Inc.
+dnl
+dnl This file is free software; you can redistribute it and/or modify
+dnl it under the terms of the GNU General Public License as published by
+dnl the Free Software Foundation; either version 3 of the License, or
+dnl (at your option) any later version.
+dnl
+dnl This program is distributed in the hope that it will be useful,
+dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
+dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+dnl GNU General Public License for more details.
+dnl
+dnl You should have received a copy of the GNU General Public License
+dnl along with this program; see the file COPYING3.  If not see
+dnl <http://www.gnu.org/licenses/>.
+dnl
+
 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])
+AC_DEFUN([BFD_BINARY_FOPEN],
+[AC_REQUIRE([AC_CANONICAL_TARGET])
 case "${host}" in
 changequote(,)dnl
-i[345]86-*-msdos* | i[345]86-*-go32* | i[345]86-*-mingw32* | *-*-cygwin32* | *-*-windows)
+*-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
 changequote([,])dnl
-  AC_DEFINE(USE_BINARY_FOPEN) ;;
+  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,
+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
@@ -24,79 +42,48 @@ if test "x$cross_compiling" = "xno"; then
   EXEEXT_FOR_BUILD='$(EXEEXT)'
 else
   AC_CACHE_CHECK([for build system executable suffix], bfd_cv_build_exeext,
-    [cat > ac_c_test.c << 'EOF'
-int main() {
-/* Nothing needed here */
-}
-EOF
-    ${CC_FOR_BUILD} -o ac_c_test am_c_test.c 1>&5 2>&5
-    bfd_cv_build_exeext=`echo ac_c_test.* | grep -v ac_c_test.c | sed -e s/ac_c_test//`
-    rm -f ac_c_test*
-    test x"${bfd_cv_build_exeext}" = x && bfd_cv_build_exeext=no])
+    [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
-  bfd_tr_decl=NEED_DECLARATION_`echo $1 | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-  AC_DEFINE_UNQUOTED($bfd_tr_decl)
-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($1, [a-z], [A-Z]))
- fi
- AC_MSG_RESULT($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($2, [a-z], [A-Z]))
- fi
- AC_MSG_RESULT($bfd_cv_have_sys_procfs_type_member_$1_$2)
-])
-
-
+AC_DEFUN([AM_INSTALL_LIBBFD],
+[AC_MSG_CHECKING([whether to install libbfd])
+  AC_ARG_ENABLE(install-libbfd,
+[  --enable-install-libbfd controls installation of libbfd and related headers],
+      install_libbfd_p=$enableval,
+      if test "${host}" = "${target}" || test "$enable_shared" = "yes"; then
+        install_libbfd_p=yes
+      else
+        install_libbfd_p=no
+      fi)
+  AC_MSG_RESULT($install_libbfd_p)
+  AM_CONDITIONAL(INSTALL_LIBBFD, test $install_libbfd_p = yes)
+  # Need _noncanonical variables for this.
+  ACX_NONCANONICAL_HOST
+  ACX_NONCANONICAL_TARGET
+  # libbfd.a is a host library containing target dependent code
+  bfdlibdir='$(libdir)'
+  bfdincludedir='$(includedir)'
+  if test "${host}" != "${target}"; then
+    bfdlibdir='$(exec_prefix)/$(host_noncanonical)/$(target_noncanonical)/lib'
+    bfdincludedir='$(exec_prefix)/$(host_noncanonical)/$(target_noncanonical)/include'
+  fi
+  AC_SUBST(bfdlibdir)
+  AM_SUBST_NOTMAKE(bfdlibdir)
+  AC_SUBST(bfdincludedir)
+  AM_SUBST_NOTMAKE(bfdincludedir)
+]
+)
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