* configure.in (TARGET_SYSTEM_ROOT): Set default to

[pf3gnuchains/pf3gnuchains4x.git] / ld / configure.in

diff --git a/ld/configure.in b/ld/configure.in
index 9e8c964..4358cbe 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(2.13)
 AC_INIT(ldmain.c)
 
 AC_CANONICAL_SYSTEM
+AC_ISC_POSIX
 
-AM_INIT_AUTOMAKE(ld, 2.9.4)
+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 +30,63 @@ 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="$t"
+   ;;
+ esac
+], [
+ use_sysroot=no
+ TARGET_SYSTEM_ROOT=
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
+])
+AC_SUBST(use_sysroot)
+AC_SUBST(TARGET_SYSTEM_ROOT)
+AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+
+build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
+AC_ARG_ENABLE(build-warnings,
+[  --enable-build-warnings enable build-time compiler warnings if gcc is used],
+[case "${enableval}" in
+  yes) ;;
+  no)  build_warnings="-w";;
+  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
+        build_warnings="${build_warnings} ${t}";;
+  *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
+        build_warnings="${t} ${build_warnings}";;
+  *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
+esac
+if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
+  echo "Setting warning flags = $build_warnings" 6>&1
+fi])dnl
+WARN_CFLAGS=""
+if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
+    WARN_CFLAGS="${build_warnings}"
+fi
+AC_SUBST(WARN_CFLAGS)
+
 AM_CONFIG_HEADER(config.h:config.in)
 
 if test -z "$target" ; then
@@ -39,7 +101,7 @@ fi
 AC_PROG_CC
 AC_PROG_INSTALL
 
-ALL_LINGUAS=
+ALL_LINGUAS="fr sv tr es da"
 CY_GNU_GETTEXT
 
 AC_EXEEXT
@@ -57,7 +119,7 @@ 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)
 AC_HEADER_DIRENT
 
 BFD_BINARY_FOPEN
@@ -68,12 +130,32 @@ BFD_NEED_DECLARATION(sbrk)
 BFD_NEED_DECLARATION(getenv)
 BFD_NEED_DECLARATION(environ)
 
+# When converting linker scripts into strings for use in emulation
+# files, use astring.sed if the compiler supports ANSI string
+# concatenation, or ostring.sed otherwise.  This is to support the
+# 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=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
+fi
+AC_SUBST(STRINGIFY)
+
 # target-specific stuff:
 
 all_targets=
 EMUL=
 all_emuls=
 all_emul_extras=
+all_libpath=
 
 dnl We need to get an arbitrary number of tdir definitions into
 dnl Makefile.  We can't do it using AC_SUBST, because autoconf does
@@ -87,7 +169,7 @@ do
     all_targets=true
   else
     # Canonicalize the secondary target names.
-    result=`${CONFIG_SHELL-/bin/sh} $ac_config_sub $targ_alias 2>/dev/null`
+    result=`$ac_config_sub $targ_alias 2>/dev/null`
     if test -n "$result"; then
        targ=$result
     else
@@ -112,12 +194,15 @@ do
        esac
     done
 
-    all_libpath=$targ_emul
-    for i in $targ_extra_libpath; do
+    for i in $targ_emul $targ_extra_libpath; do
        case " $all_libpath " in
        *" ${i} "*) ;;
        *)
-         all_libpath="$all_libpath ${i}"
+         if test -z "$all_libpath"; then
+           all_libpath=${i}
+         else
+           all_libpath="$all_libpath ${i}"
+         fi
          ;;
        esac
     done
@@ -154,6 +239,7 @@ else
 fi
 AC_SUBST(EMULATION_OFILES)
 AC_SUBST(EMUL_EXTRA_OFILES)
+AC_SUBST(LIB_PATH)
 
 EMULATION_LIBPATH=$all_libpath
 AC_SUBST(EMULATION_LIBPATH)
@@ -165,5 +251,15 @@ else
 fi
 AC_SUBST(TESTBFDLIB)
 
+target_vendor=${target_vendor=$host_vendor}
+case "$target_vendor" in
+  hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
+  *)  EXTRA_SHLIB_EXTENSION= ;;
+esac
+if test x${EXTRA_SHLIB_EXTENSION} != x ; then
+  AC_DEFINE_UNQUOTED(EXTRA_SHLIB_EXTENSION, "$EXTRA_SHLIB_EXTENSION",
+   [Additional extension a shared object might have.])
+fi
+
 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])