2006-04-06 Carlos O'Donell <carlos@codesourcery.com>

[deliverable/binutils-gdb.git] / ld / configure.in

diff --git a/ld/configure.in b/ld/configure.in
index c3d5e97250cf7e3abe260162c5700f6003f7b834..1c91d59d5142c2f6b85375f85e1f33f4bbf4df62 100644 (file)
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -1,14 +1,19 @@
 dnl Process this file with autoconf to produce a configure script
 dnl
-AC_PREREG(2.13)
+AC_PREREQ(2.57)
 AC_INIT(ldmain.c)
 
 AC_CANONICAL_SYSTEM
+AC_ISC_POSIX
 
-AM_INIT_AUTOMAKE(ld, 2.9.5)
+changequote(,)dnl
+BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[        ]*\([^  ]*\)[   ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
+changequote([,])dnl
+AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
 
 AM_PROG_LIBTOOL
 
+AC_ARG_WITH(lib-path, [  --with-lib-path=dir1:dir2...  set default LIB_PATH],LIB_PATH=$withval)
 AC_ARG_ENABLE(targets,
 [  --enable-targets        alternative target configurations],
 [case "${enableval}" in
@@ -25,6 +30,44 @@ AC_ARG_ENABLE(64-bit-bfd,
   *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
 esac],[want64=false])dnl
 
+AC_ARG_WITH(sysroot,
+[  --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
+[
+ case ${with_sysroot} in
+ yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
+ *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
+ esac
+
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
+ use_sysroot=yes
+
+ if test "x$exec_prefix" = xNONE; then
+  if test "x$prefix" = xNONE; then
+   test_prefix=/usr/local
+  else
+   test_prefix=$prefix
+  fi
+ else
+  test_prefix=$exec_prefix
+ fi
+ case ${TARGET_SYSTEM_ROOT} in
+ "${test_prefix}"|"${test_prefix}/"*|\
+ '${exec_prefix}'|'${exec_prefix}/'*)
+   t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
+   TARGET_SYSTEM_ROOT_DEFINE="$t"
+   ;;
+ esac
+], [
+ use_sysroot=no
+ TARGET_SYSTEM_ROOT=
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
+])
+AC_SUBST(use_sysroot)
+AC_SUBST(TARGET_SYSTEM_ROOT)
+AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+
+AM_BINUTILS_WARNINGS
+
 AM_CONFIG_HEADER(config.h:config.in)
 
 if test -z "$target" ; then
@@ -39,7 +82,7 @@ fi
 AC_PROG_CC
 AC_PROG_INSTALL
 
-ALL_LINGUAS=
+ALL_LINGUAS="fr sv tr es da vi zh_CN"
 CY_GNU_GETTEXT
 
 AC_EXEEXT
@@ -57,16 +100,22 @@ AC_SUBST(HOSTING_LIBS)
 AC_SUBST(NATIVE_LIB_DIRS)
 
 AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
-AC_CHECK_FUNCS(sbrk)
+AC_CHECK_FUNCS(sbrk realpath glob)
 AC_HEADER_DIRENT
 
+AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
+AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
+[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
+ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
+AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
+if test $ld_cv_decl_getopt_unistd_h = yes; then
+  AC_DEFINE([HAVE_DECL_GETOPT], 1,
+           [Is the prototype for getopt in <unistd.h> in the expected format?])
+fi
+       
 BFD_BINARY_FOPEN
 
-BFD_NEED_DECLARATION(strstr)
-BFD_NEED_DECLARATION(free)
-BFD_NEED_DECLARATION(sbrk)
-BFD_NEED_DECLARATION(getenv)
-BFD_NEED_DECLARATION(environ)
+AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
 
 # When converting linker scripts into strings for use in emulation
 # files, use astring.sed if the compiler supports ANSI string
@@ -74,11 +123,13 @@ BFD_NEED_DECLARATION(environ)
 # broken Microsoft MSVC compiler, which limits the length of string
 # constants, while still supporting pre-ANSI compilers which do not
 # support string concatenation.
+AC_MSG_CHECKING([whether ANSI C string concatenation works])
 AC_CACHE_VAL(ld_cv_string_concatenation,
 [AC_TRY_COMPILE(,[char *a = "a" "a";],
-  [ld_cv_string_concatenation=true],
-  [ld_cv_string_concatenation=false])])
-if test "$ld_cv_string_concatenation" = "true"; then
+  [ld_cv_string_concatenation=yes],
+  [ld_cv_string_concatenation=no])])
+AC_MSG_RESULT($ld_cv_string_concatenation)
+if test "$ld_cv_string_concatenation" = "yes"; then
   STRINGIFY=astring.sed
 else
   STRINGIFY=ostring.sed
@@ -175,6 +226,7 @@ else
 fi
 AC_SUBST(EMULATION_OFILES)
 AC_SUBST(EMUL_EXTRA_OFILES)
+AC_SUBST(LIB_PATH)
 
 EMULATION_LIBPATH=$all_libpath
 AC_SUBST(EMULATION_LIBPATH)
@@ -191,10 +243,20 @@ case "$target_vendor" in
   hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
   *)  EXTRA_SHLIB_EXTENSION= ;;
 esac
+
+case "$target_os" in
+  lynxos) EXTRA_SHLIB_EXTENSION=".a" ;;
+esac
+
 if test x${EXTRA_SHLIB_EXTENSION} != x ; then
   AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
    [Additional extension a shared object might have.])
 fi
 
+dnl Required by html and install-html
+AC_SUBST(datarootdir)
+AC_SUBST(docdir)
+AC_SUBST(htmldir)
+
 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])