dnl Process this file with autoconf to produce a configure script
dnl
-AC_PREREG(2.0)
-AC_INIT(ldmain.c)
+AC_PREREQ(2.59)
+AC_INIT
+AC_CONFIG_SRCDIR(ldmain.c)
+AC_CANONICAL_TARGET
+AC_CANONICAL_BUILD
+AC_ISC_POSIX
+
+changequote(,)dnl
+BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[ ]*\([^ ]*\)[ ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
+changequote([,])dnl
+AM_INIT_AUTOMAKE(ld, ${BFD_VERSION})
+AM_MAINTAINER_MODE
+
+AC_ARG_WITH(lib-path, [ --with-lib-path=dir1:dir2... set default LIB_PATH],LIB_PATH=$withval)
AC_ARG_ENABLE(targets,
[ --enable-targets alternative target configurations],
[case "${enableval}" in
- yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
+ yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
;;
no) enable_targets= ;;
*) enable_targets=$enableval ;;
esac])dnl
-AC_ARG_ENABLE(shared,
-[ --enable-shared build shared BFD library],
+AC_ARG_ENABLE(64-bit-bfd,
+[ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
[case "${enableval}" in
- yes) shared=true ;;
- no) shared=false ;;
- *) AC_MSG_ERROR([bad value ${enableval} for BFD shared option]) ;;
-esac])dnl
+ yes) want64=true ;;
+ no) want64=false ;;
+ *) 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=\"$(TARGET_SYSTEM_ROOT)\"'
+ use_sysroot=yes
+
+ if test "x$prefix" = xNONE; then
+ test_prefix=/usr/local
+ else
+ test_prefix=$prefix
+ fi
+ if test "x$exec_prefix" = xNONE; then
+ test_exec_prefix=$test_prefix
+ else
+ test_exec_prefix=$exec_prefix
+ fi
+ case ${TARGET_SYSTEM_ROOT} in
+ "${test_prefix}"|"${test_prefix}/"*|\
+ "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
+ '${prefix}'|'${prefix}/'*|\
+ '${exec_prefix}'|'${exec_prefix}/'*)
+ t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
+ TARGET_SYSTEM_ROOT_DEFINE="$t"
+ ;;
+ esac
+], [
+ use_sysroot=no
+ TARGET_SYSTEM_ROOT=
+ TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
+])
+AC_SUBST(use_sysroot)
+AC_SUBST(TARGET_SYSTEM_ROOT)
+AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
+
+dnl Use --enable-gold to decide if this linker should be the default.
+dnl "install_as_default" is set to false if gold is the default linker.
+dnl "installed_linker" is the installed BFD linker name.
+AC_ARG_ENABLE(gold,
+[[ --enable-gold[=ARG] build gold [ARG={default,yes,no}]]],
+[case "${enableval}" in
+ default)
+ install_as_default=no
+ installed_linker=ld.bfd
+ ;;
+ yes|no)
+ install_as_default=yes
+ installed_linker=ld.bfd
+ ;;
+ *)
+ AC_MSG_ERROR([invalid --enable-gold argument])
+ ;;
+ esac],
+[install_as_default=yes
+ installed_linker=ld.bfd])
+AC_SUBST(install_as_default)
+AC_SUBST(installed_linker)
-AC_CONFIG_HEADER(config.h:config.in)
+AC_ARG_ENABLE([got],
+AS_HELP_STRING([--enable-got=<type>],
+ [GOT handling scheme (target, single, negative, multigot)]),
+[case "${enableval}" in
+ target | single | negative | multigot) got_handling=$enableval ;;
+ *) AC_MSG_ERROR(bad value ${enableval} for --enable-got option) ;;
+esac],
+[got_handling=target])
+
+case "${got_handling}" in
+ target)
+ AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_TARGET_DEFAULT],
+ [Define to choose default GOT handling scheme]) ;;
+ single)
+ AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_SINGLE],
+ [Define to choose default GOT handling scheme]) ;;
+ negative)
+ AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_NEGATIVE],
+ [Define to choose default GOT handling scheme]) ;;
+ multigot)
+ AC_DEFINE([GOT_HANDLING_DEFAULT], [GOT_HANDLING_MULTIGOT],
+ [Define to choose default GOT handling scheme]) ;;
+ *) AC_MSG_ERROR(bad value ${got_handling} for --enable-got option) ;;
+esac
+
+AM_BINUTILS_WARNINGS
+
+AM_LC_MESSAGES
+
+AC_CONFIG_HEADERS([config.h:config.in])
-AC_CONFIG_AUX_DIR(`cd $srcdir/..; pwd`)
-AC_CANONICAL_SYSTEM
if test -z "$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
-AC_ARG_PROGRAM
# host-specific stuff:
+AC_PROG_CC
+AC_PROG_CXX
+AC_GNU_SOURCE
+AC_USE_SYSTEM_EXTENSIONS
+ACX_LARGEFILE
+AC_PROG_INSTALL
+
+LT_INIT
+
+ALL_LINGUAS="fr sv tr es da vi zh_CN zh_TW ga fi id bg it"
+ZW_GNU_GETTEXT_SISTER_DIR
+AM_PO_SUBDIRS
+
+AC_EXEEXT
+
+AC_PROG_YACC
+AM_PROG_LEX
+
+AM_MAINTAINER_MODE
+AM_CONDITIONAL(GENINSRC_NEVER, false)
+ACX_PROG_CMP_IGNORE_INITIAL
+
. ${srcdir}/configure.host
-AC_PROG_CC
-AC_SUBST(CFLAGS)
-AC_SUBST(HLDFLAGS)
AC_SUBST(HDEFINES)
AC_SUBST(HOSTING_CRT0)
AC_SUBST(HOSTING_LIBS)
AC_SUBST(NATIVE_LIB_DIRS)
-# For most hosts we can use a simple definition to pick up the BFD and
-# opcodes libraries. However, if we are building shared libraries, we
-# need to handle some hosts specially.
-BFDLIB='-L../bfd -lbfd'
-if test "${shared}" = "true"; then
- case "${host}" in
- *-*-sunos*)
- # On SunOS, we must link against the name we are going to install,
- # not -lbfd, since SunOS does not support SONAME.
- BFDLIB='-L../bfd -l`echo bfd | sed '"'"'$(program_transform_name)'"'"'`'
- ;;
- esac
+AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h elf-hints.h limits.h locale.h sys/param.h)
+AC_CHECK_HEADERS(fcntl.h sys/file.h sys/time.h sys/stat.h)
+AC_CHECK_FUNCS(glob mkstemp realpath sbrk setlocale waitpid)
+AC_CHECK_FUNCS(open lseek close)
+AC_HEADER_DIRENT
+
+# Check for dlopen support and enable plugins if possible.
+enable_plugins=yes
+AC_CHECK_HEADER([dlfcn.h],[],[enable_plugins=no],[AC_INCLUDES_DEFAULT])
+AC_SEARCH_LIBS([dlopen],[dl],[],[enable_plugins=no],[])
+AC_CHECK_FUNCS([dlopen dlsym dlclose],[],[enable_plugins=no])
+# We also support plugins on Windows (MinGW).
+if test x$enable_plugins = xno ; then
+ AC_CHECK_HEADERS([windows.h],[enable_plugins=yes],[],[AC_INCLUDES_DEFAULT])
fi
-AC_SUBST(BFDLIB)
+AM_CONDITIONAL([ENABLE_PLUGINS], [test x$enable_plugins = xyes])
-AC_CHECK_HEADERS(string.h strings.h stdlib.h unistd.h)
-AC_CHECK_FUNCS(sbrk)
-AC_HEADER_DIRENT
+AC_ARG_ENABLE(initfini-array,
+ [ --enable-initfini-array use .init_array/.fini_array sections],
+ [], [
+AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support,
+ gcc_cv_initfini_array, [dnl
+ if test "x${build}" = "x${target}" ; then
+ AC_RUN_IFELSE([AC_LANG_SOURCE([
+static int x = -1;
+int main (void) { return x; }
+int foo (void) { x = 0; }
+int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;])],
+ [gcc_cv_initfini_array=yes], [gcc_cv_initfini_array=no],
+ [gcc_cv_initfini_array=no])
+ else
+ gcc_cv_initfini_array=no
+ fi])
+ enable_initfini_array=$gcc_cv_initfini_array
+])
+AC_SUBST(enable_initfini_array)
+if test $enable_initfini_array = yes; then
+ AC_DEFINE(HAVE_INITFINI_ARRAY, 1,
+ [Define .init_array/.fini_array sections are available and working.])
+fi
+
+AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
+AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
+ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)])
+AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h)
+if test $ld_cv_decl_getopt_unistd_h = yes; then
+ AC_DEFINE([HAVE_DECL_GETOPT], 1,
+ [Is the prototype for getopt in <unistd.h> in the expected format?])
+fi
BFD_BINARY_FOPEN
-BFD_NEED_DECLARATION(free)
+AC_CHECK_DECLS([strstr, free, sbrk, getenv, environ])
+
+# Link in zlib if we can. This is needed only for the bootstrap tests
+# right now, since those tests use libbfd, which depends on zlib.
+AM_ZLIB
+
+# When converting linker scripts into strings for use in emulation
+# files, use astring.sed if the compiler supports ANSI string
+# concatenation, or ostring.sed otherwise. This is to support the
+# broken Microsoft MSVC compiler, which limits the length of string
+# constants, while still supporting pre-ANSI compilers which do not
+# support string concatenation.
+AC_MSG_CHECKING([whether ANSI C string concatenation works])
+AC_CACHE_VAL(ld_cv_string_concatenation,
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [char *a = "a" "a";])],
+ ld_cv_string_concatenation=yes,
+ ld_cv_string_concatenation=no)])
+AC_MSG_RESULT($ld_cv_string_concatenation)
+if test "$ld_cv_string_concatenation" = "yes"; then
+ STRINGIFY=astring.sed
+else
+ STRINGIFY=ostring.sed
+fi
+AC_SUBST(STRINGIFY)
# target-specific stuff:
all_targets=
EMUL=
all_emuls=
-TDIRS=
+all_emul_extras=
+all_libpath=
+
+dnl We need to get an arbitrary number of tdir definitions into
+dnl Makefile. We can't do it using AC_SUBST, because autoconf does
+dnl not permit literal newlines in an AC_SUBST variables. So we use a
+dnl file.
+rm -f tdirs
+
+# If the host is 64-bit, then we enable 64-bit targets by default.
+# This is consistent with what ../bfd/configure.in does.
+if test x${want64} = xfalse; then
+ AC_CHECK_SIZEOF(void *)
+ if test "x${ac_cv_sizeof_void_p}" = "x8"; then
+ want64=true
+ fi
+fi
for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
do
EMUL=$targ_emul
fi
- for i in $targ_emul $targ_extra_emuls; do
+ if test x${want64} = xfalse; then
+ . ${srcdir}/../bfd/config.bfd
+ fi
+
+ if test x${want64} = xtrue; then
+ targ_extra_emuls="$targ_extra_emuls $targ64_extra_emuls"
+ targ_extra_libpath="$targ_extra_libpath $targ64_extra_libpath"
+ fi
+
+ 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=$targ_alias
- TDIRS="$TDIRS\\
-tdir_$i=$result"
+ echo tdir_$i=$result >> tdirs
+ ;;
+ 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 ${i}"
;;
esac
done
done
AC_SUBST(EMUL)
-AC_SUBST(TDIRS)
+
+TDIRS=tdirs
+AC_SUBST_FILE(TDIRS)
if test x${all_targets} = xtrue; then
- EMULATION_OFILES='$(ALL_EMULATIONS)'
+ if test x${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, "$EXTRA_SHLIB_EXTENSION",
+ [Additional extension a shared object might have.])
+fi
+
+dnl Required by html, pdf, install-pdf and install-html
+AC_SUBST(datarootdir)
+AC_SUBST(docdir)
+AC_SUBST(htmldir)
+AC_SUBST(pdfdir)
-AC_OUTPUT(Makefile,
-[case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac])
+AC_CONFIG_FILES(Makefile po/Makefile.in:po/Make-in)
+AC_OUTPUT
projects / deliverable / binutils-gdb.git / blobdiff