X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=41b641433f8392a53cc87b7abee003210ce15624;hb=32fba81dfe3716260e14c2b4e68488a1c02c34ff;hp=7f3c1da51cd324f451e94626f245a25f129564ee;hpb=252b5132c753830d5fd56823373aed85f2a0db63;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/configure.in b/ld/configure.in
index 7f3c1da51c..41b641433f 100644
--- 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, 2.9.4)
+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 +30,44 @@ 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 +100,41 @@ 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
+# 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:
 
@@ -74,6 +142,7 @@ 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 +156,7 @@ 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=$result
     else
@@ -100,7 +169,7 @@ do
       EMUL=$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 "*) ;;
 	*)
@@ -112,6 +181,19 @@ 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
 	*" ${i} "*) ;;
@@ -144,6 +226,10 @@ else
 fi
 AC_SUBST(EMULATION_OFILES)
 AC_SUBST(EMUL_EXTRA_OFILES)
+AC_SUBST(LIB_PATH)
+
+EMULATION_LIBPATH=$all_libpath
+AC_SUBST(EMULATION_LIBPATH)
 
 if test x${enable_static} = xno; then
   TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
@@ -152,5 +238,20 @@ else
 fi
 AC_SUBST(TESTBFDLIB)
 
+target_vendor=${target_vendor=$host_vendor}
+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
+
 AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
 [sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])