* configure.host: Add rules for x86_64-*linux-gnu. Change

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

diff --git a/ld/configure.in b/ld/configure.in
index 8a27a724bc2300920ccf26e89526d53b83ed29a2..c6ec22739d5a06e4a18af9e951841a32e50cf70c 100644 (file)
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -1,11 +1,15 @@
 dnl Process this file with autoconf to produce a configure script
 dnl
-AC_PREREG(2.5)
+AC_PREREG(2.13)
 AC_INIT(ldmain.c)
 
 AC_CANONICAL_SYSTEM
+AC_ISC_POSIX
 
-AM_INIT_AUTOMAKE(ld, 2.9.1)
+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
 
@@ -25,6 +29,27 @@ AC_ARG_ENABLE(64-bit-bfd,
   *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
 esac],[want64=false])dnl
 
+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
@@ -37,13 +62,15 @@ fi
 # host-specific stuff:
 
 AC_PROG_CC
-AM_PROG_INSTALL
-AM_CYGWIN32
-AM_EXEEXT
+AC_PROG_INSTALL
+
+ALL_LINGUAS="fr sv tr"
+CY_GNU_GETTEXT
+
+AC_EXEEXT
 
 AC_PROG_YACC
-AC_PROG_LEX
-AC_DECL_YYTEXT
+AM_PROG_LEX
 
 AM_MAINTAINER_MODE
 
@@ -64,12 +91,34 @@ BFD_NEED_DECLARATION(strstr)
 BFD_NEED_DECLARATION(free)
 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
@@ -83,7 +132,7 @@ 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=$result
     else
@@ -96,7 +145,7 @@ do
       EMUL=$targ_emul
     fi
 
-    for i in $targ_emul $targ_extra_emuls; do
+    for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
        case " $all_emuls " in
        *" e${i}.o "*) ;;
        *)
@@ -107,6 +156,28 @@ do
          ;;
        esac
     done
+
+    for i in $targ_emul $targ_extra_libpath; do
+       case " $all_libpath " in
+       *" ${i} "*) ;;
+       *)
+         if test -z "$all_libpath"; then
+           all_libpath=${i}
+         else
+           all_libpath="$all_libpath ${i}"
+         fi
+         ;;
+       esac
+    done
+
+    for i in $targ_extra_ofiles; do
+       case " $all_emul_extras " in
+       *" ${i} "*) ;;
+       *)
+         all_emul_extras="$all_emul_extras ${i}"
+         ;;
+       esac
+    done
   fi
 done
 
@@ -124,9 +195,33 @@ if test x${all_targets} = xtrue; then
   else
     EMULATION_OFILES='$(ALL_EMULATIONS)'
   fi
+  EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
 else
   EMULATION_OFILES=$all_emuls
+  EMUL_EXTRA_OFILES=$all_emul_extras
 fi
 AC_SUBST(EMULATION_OFILES)
+AC_SUBST(EMUL_EXTRA_OFILES)
+
+EMULATION_LIBPATH=$all_libpath
+AC_SUBST(EMULATION_LIBPATH)
+
+if test x${enable_static} = xno; then
+  TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
+else
+  TESTBFDLIB="../bfd/.libs/libbfd.a"
+fi
+AC_SUBST(TESTBFDLIB)
+
+target_vendor=${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)
+AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
+[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])