X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Fconfigure.in;h=e020288c00c02adecf7529db4e369332c5f37dd8;hb=e460dd0d29973affa0b660495c1426c16d797e4c;hp=42ca520e271f30d96d4ded8c3f2c44e0cc1e85a0;hpb=c1e128e5a1740919504feecc31255b149cbeedd7;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/configure.in b/ld/configure.in
index 42ca520e27..e020288c00 100644
--- a/ld/configure.in
+++ b/ld/configure.in
@@ -1,187 +1,262 @@
-# This file is a shell script fragment that supplies the information
-# necessary to tailor a template configure script into the configure
-# script appropriate for this directory.  For more information, check
-# any existing configure script.
+dnl Process this file with autoconf to produce a configure script
+dnl
+AC_PREREQ(2.57)
+AC_INIT(ldmain.c)
 
-srctrigger=ldmain.c
-srcname="linker"
-target_dependent=true
+AC_CANONICAL_SYSTEM
+AC_ISC_POSIX
 
-# per-host:
+changequote(,)dnl
+BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ 	]*\([^ 	]*\)[ 	]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
+changequote([,])dnl
+AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
 
-. ${srcdir}/../bfd/configure.host
+AM_PROG_LIBTOOL
 
-host_makefile_frag=
+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
+  yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
+            ;;
+  no)       enable_targets= ;;
+  *)        enable_targets=$enableval ;;
+esac])dnl
+AC_ARG_ENABLE(64-bit-bfd,
+[  --enable-64-bit-bfd     64-bit support (on hosts with narrower word sizes)],
+[case "${enableval}" in
+  yes)  want64=true  ;;
+  no)   want64=false ;;
+  *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
+esac],[want64=false])dnl
 
-if [ -f ${srcdir}/config/${my_host}.mh ] ; then
-	host_makefile_frag=config/${my_host}.mh
+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
+    AC_MSG_ERROR(Unrecognized target system type; please check config.sub.)
+fi
+if test -z "$host" ; then
+    AC_MSG_ERROR(Unrecognized host system type; please check config.sub.)
 fi
 
-# per-target:
-
-# Canonicalize the secondary target names.
-if [ -n "$enable_targets" ]; then
-    for targ in `echo $enable_targets | sed 's/,/ /g'`
-    do
-	result=`$configsub $targ 2>/dev/null`
-	if [ -n "$result" ]; then
-	    canon_targets="$canon_targets $result"
-	else
-	    # Allow targets that config.sub doesn't recognize, like "all".
-	    canon_targets="$canon_targets $targ"
-	fi
-    done
+# host-specific stuff:
+
+AC_PROG_CC
+AC_PROG_INSTALL
+
+ALL_LINGUAS="fr sv tr es da vi zh_CN"
+CY_GNU_GETTEXT
+
+AC_EXEEXT
+
+AC_PROG_YACC
+AM_PROG_LEX
+
+AM_MAINTAINER_MODE
+
+. ${srcdir}/configure.host
+
+AC_SUBST(HDEFINES)
+AC_SUBST(HOSTING_CRT0)
+AC_SUBST(HOSTING_LIBS)
+AC_SUBST(NATIVE_LIB_DIRS)
+
+AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h)
+AC_CHECK_FUNCS(sbrk realpath glob)
+AC_HEADER_DIRENT
+
+AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
+AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
+[AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
+ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
+AC_MSG_RESULT($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
 
-all_targets=false
+AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
 
-for targ in $target $canon_targets
-do
+# When converting linker scripts into strings for use in emulation
+# files, use astring.sed if the compiler supports ANSI string
+# concatenation, or ostring.sed otherwise.  This is to support the
+# broken Microsoft MSVC compiler, which limits the length of string
+# constants, while still supporting pre-ANSI compilers which do not
+# support string concatenation.
+AC_MSG_CHECKING([whether ANSI C string concatenation works])
+AC_CACHE_VAL(ld_cv_string_concatenation,
+[AC_TRY_COMPILE(,[char *a = "a" "a";],
+  [ld_cv_string_concatenation=yes],
+  [ld_cv_string_concatenation=no])])
+AC_MSG_RESULT($ld_cv_string_concatenation)
+if test "$ld_cv_string_concatenation" = "yes"; then
+  STRINGIFY=astring.sed
+else
+  STRINGIFY=ostring.sed
+fi
+AC_SUBST(STRINGIFY)
 
-case "${targ}" in
-
-# start-sanitize-arc
-  arc-*-elf*)		ld_target=arc-elf ;;
-# end-sanitize-arc
-  sparc-sun-sunos4*) 	ld_target=sun4 ;;
-  sparclite*-*-coff)	ld_target=coff-sparc ;;
-  sparclite*-fujitsu-*) ld_target=sun4 ;;
-  sparc*-*-aout)	ld_target=sun4 ;;
-  sparc*-*-coff)	ld_target=coff-sparc ;;
-  sparc64-*-elf*)	ld_target=sparc64-elf ;;
-  sparc64*)		ld_target=sun4 ;;
-  sparc*-*-elf)		ld_target=sun4sol2 ;;
-  sparc*-*-lynxos*)	ld_target=sparc-lynx ;;
-  sparc*-*-netbsd*)	ld_target=sparc-nbsd ;;
-  sparc*-*-solaris2*)	ld_target=sun4sol2 ;;
-  sparc*-wrs-vxworks*)  ld_target=sun4 ;;
-  i960-wrs-vxworks5.0*) ld_target=i960 ;;
-  i960-wrs-vxworks5*)   ld_target=i960coff ;;
-  i960-wrs-vxworks*)    ld_target=i960 ;;
-  i960-*-coff)		ld_target=i960coff ;;
-  i960-intel-nindy)	ld_target=i960 ;;
-  m68*-sun-sunos[34]*)	ld_target=sun3 ;;
-  m68*-wrs-vxworks*)    ld_target=vxworks68 ;;
-  m68*-ericsson-ose)	ld_target=ose68 ;;
-  *-tandem-none)	ld_target=st2000 ;; # FIXME needs better name
-  i[345]86-*-vsta)	ld_target=vsta ;;
-  i[345]86-*-go32)	ld_target=i386-go32 ;;
-  i[345]86-*-aix*)	ld_target=i386-coff ;;
-  i[345]86-*-sco*)	ld_target=i386-coff ;;
-  i[345]86-*-lynxos*)	ld_target=i386-lynx ;;
-  i[345]86-*-coff)	ld_target=i386-coff ;;
-  i[345]86-*-bsd)	ld_target=i386-bsd ;;
-  i[345]86-*-bsd386)	ld_target=i386-bsd ;;
-  i[345]86-*-bsdi*)	ld_target=i386-bsd ;;
-  i[345]86-*-aout)	ld_target=i386-aout ;;
-  i[345]86-*-linux*)	ld_target=i386-linux ;;
-  i[345]86-*-sysv4*)	ld_target=i386-elf ;;
-  i[345]86-*-unixware)	ld_target=i386-elf ;;
-  i[345]86-*-netbsd*)	ld_target=i386-nbsd ;;
-  i[345]86-*-netware)	ld_target=i386-nw ;;
-  i[345]86-*-elf*)	ld_target=i386-elf ;;
-  i[345]86-*-sysv*)	ld_target=i386-coff ;;
-  i[345]86-*-mach*)	ld_target=i386-mach ;;
-  i[345]86-*-gnu*)	ld_target=i386-gnu ;;
-  m8*-*-*)		ld_target=m88k-bcs ;;
-  a29k-*-udi)		ld_target=sa29200 ;;
-  a29k-*-ebmon)		ld_target=ebmon29k ;;
-  a29k-*-*)		ld_target=coff-a29k ;;
-#  arm-*-riscix*)	ld_target=riscix ;;
-  h8300-*-hms)		ld_target=coff-h8300 ;;
-  h8300h-*-hms)		ld_target=cf-h8300h ;;
-  h8500-*-hms)		ld_target=coff-h8500 ;;
-  sh-*-*)		ld_target=coff-sh ;;
-# start-sanitize-rce
-  rce-*-aout)		ld_target=rce-aout ;;
-# end-sanitize-rce
-  m68k-sony-*)		ld_target=news ;;
-  m68k-hp-bsd*)		ld_target=hp300bsd ;;
-  m68*-*-aout)		ld_target=m68k ;;
-  m68*-*-coff)		ld_target=m68k-coff ;;
-  m68*-*-hpux*)		ld_target=hp300hpux ;;
-  m68*-*-lynxos*)	ld_target=m68k-lynx ;;
-  m68*-*-netbsd*)	ld_target=m68k-nbsd ;;
-  m68*-*-*)
-    echo '***' "Unknown m68k target vendor for ld:" ${target_vendor} 1>&2
-			exit 1 ;;
-  hppa*-*-*elf*)	ld_target=hppaelf ;;
-  vax-dec-ultrix* | vax-dec-bsd*) ld_target=vax ;;
-  mips*-dec-ultrix*)	ld_target=mips-lit ;;
-  mips*-sgi-irix5*)	ld_target=mipsb-elf32 ;;
-  mips*-sgi-irix*)	ld_target=mips-big ;;
-  mips*el-idt-ecoff*)	ld_target=mipsl-idt ;;
-  mips*-idt-ecoff*)	ld_target=mips-idt ;;
-  mips*-dec-bsd*)	ld_target=mipsbsd ;;
-  mips*el-*-elf*)	ld_target=mipsl-elf32 ;;
-  mips*-*-elf*)		ld_target=mipsb-elf32 ;;
-  alpha-*-osf*)		ld_target=alpha ;;
-  alpha-*-netware*)	ld_target=alpha ;;
-  z8k-*-sim | z8k-*-coff) ld_target=z8ksim ;;
-  ns32k-pc532-mach)	ld_target=pc532mach ;;
-  ns32k-pc532-netbsd*)  ld_target=ns32k-nbsd ;;
-  powerpc-*-elf*)	ld_target=ppc-elf32 ;;
-  powerpc-*-netware*)	ld_target=ppc-nw ;;
-  w65-*-*)              ld_target=coff-w65 ;;
-  *-*-aout)		ld_target=${target_cpu}-${target_vendor} ;;
-  *-*-coff)		ld_target=${target_cpu}-${target_vendor} ;;
-  *-*-netware)		ld_target=${target_cpu}-nw ;;
-
-  all)			ld_target=all ;;
-esac
+# 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
+dnl not permit literal newlines in an AC_SUBST variables.  So we use a
+dnl file.
+rm -f tdirs
 
-    if [ "x$ld_target" = "xall" ]; then
-        all_targets=true
+for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
+do
+  if test "$targ_alias" = "all"; then
+    all_targets=true
+  else
+    # Canonicalize the secondary target names.
+    result=`$ac_config_sub $targ_alias 2>/dev/null`
+    if test -n "$result"; then
+	targ=$result
     else
-	if [ ! -f ${srcdir}/config/${ld_target}.mt ] ; then
-	    echo '***' No file ${srcdir}/config/${ld_target}.mt 1>&2
-	    echo '***' GNU LD does not support target ${ld_target} 1>&2
-	    echo '***' Look in ld/configure.in for supported targets 1>&2
-	    exit 1
-	fi
-
-	if [ "x$targ" = "x$target" ]; then
-	    target_makefile_frag=${srcdir}/config/${ld_target}.mt
-	else
-	    target_extra_frags="$target_extra_frags ${srcdir}/config/${ld_target}.mt"
-	fi
+	targ=$targ_alias
     fi
-done
-
-# We don't do any links based on the target system, just makefile config.
 
-# post-target:
+    . ${srcdir}/configure.tgt
 
-rm -f Makefile.tmp Makefile.2
-mv Makefile Makefile.tmp
+    if test "$targ" = "$target"; then
+      EMUL=$targ_emul
+    fi
 
-if [ x${all_targets} = xfalse ]; then
+    for i in $targ_emul $targ_extra_emuls $targ_extra_libpath; do
+	case " $all_emuls " in
+	*" e${i}.o "*) ;;
+	*)
+	  all_emuls="$all_emuls e${i}.o"
+	  eval result=\$tdir_$i
+	  test -z "$result" && result=$targ_alias
+	  echo tdir_$i=$result >> tdirs
+	  ;;
+	esac
+    done
 
-    allfrags="$target_makefile_frag $target_extra_frags"
+    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
 
-    # The emulations in all the configured targets.
-    tb=`sed -n '
-    s/EMUL[ 	]*=[ 	]*\([^ 	]*\)/e\1.o/p
-    s/EMUL_EXTRA.*=[ 	]*\([^ 	]*\)/e\1.o/p
-    ' $allfrags`
-    # uniq the list.
-    f=""
-    for i in $tb ; do
-	case " $f " in
-	*" $i "*) ;;
-	*) f="$f $i" ;;
+    for i in $targ_extra_ofiles; do
+	case " $all_emul_extras " in
+	*" ${i} "*) ;;
+	*)
+	  all_emul_extras="$all_emul_extras ${i}"
+	  ;;
 	esac
     done
-    tb="$f"
+  fi
+done
+
+AC_SUBST(EMUL)
 
-    echo "EMULATION_OFILES = $tb" >> Makefile.2
+TDIRS=tdirs
+AC_SUBST_FILE(TDIRS)
 
-else	# all_targets is true
-    echo 'EMULATION_OFILES = $(ALL_EMULATIONS)' >> Makefile.2
-fi	# all_targets is true
+dnl FIXME: We will build a 64 bit BFD for a 64 bit host or a 64 bit
+dnl target, and in those cases we should also build the 64 bit
+dnl emulations.
+if test x${all_targets} = xtrue; then
+  if test x${want64} = xtrue; then
+    EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)'
+  else
+    EMULATION_OFILES='$(ALL_EMULATIONS)'
+  fi
+  EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)'
+else
+  EMULATION_OFILES=$all_emuls
+  EMUL_EXTRA_OFILES=$all_emul_extras
+fi
+AC_SUBST(EMULATION_OFILES)
+AC_SUBST(EMUL_EXTRA_OFILES)
+AC_SUBST(LIB_PATH)
+
+EMULATION_LIBPATH=$all_libpath
+AC_SUBST(EMULATION_LIBPATH)
+
+if test x${enable_static} = xno; then
+  TESTBFDLIB="--rpath ../bfd/.libs ../bfd/.libs/libbfd.so"
+else
+  TESTBFDLIB="../bfd/.libs/libbfd.a"
+fi
+AC_SUBST(TESTBFDLIB)
+
+target_vendor=${target_vendor=$host_vendor}
+case "$target_vendor" in
+  hp) EXTRA_SHLIB_EXTENSION=".sl" ;;
+  *)  EXTRA_SHLIB_EXTENSION= ;;
+esac
+
+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
 
-cat Makefile.tmp >> Makefile.2
-rm -f Makefile.tmp
-mv Makefile.2 Makefile
+dnl Required by html and install-html
+AC_SUBST(datarootdir)
+AC_SUBST(docdir)
+AC_SUBST(htmldir)
 
-mkdir ldscripts 2>/dev/null
+AC_OUTPUT(Makefile po/Makefile.in:po/Make-in,
+[sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile])