dnl Process this file with autoconf to produce a configure script dnl dnl Copyright (C) 2012-2022 Free Software Foundation, Inc. dnl dnl This file is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 3 of the License, or dnl (at your option) any later version. dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; see the file COPYING3. If not see dnl <http://www.gnu.org/licenses/>. dnl m4_include([../bfd/version.m4]) AC_INIT([ld], BFD_VERSION) AC_CONFIG_SRCDIR(ldmain.c) AC_CANONICAL_TARGET AC_CANONICAL_BUILD AM_INIT_AUTOMAKE AM_SILENT_RULES([yes]) AM_MAINTAINER_MODE AC_PROG_CC AC_PROG_CXX AC_PROG_GREP AC_GNU_SOURCE AC_USE_SYSTEM_EXTENSIONS AC_PROG_INSTALL LT_INIT ACX_LARGEFILE ac_checking= . ${srcdir}/../bfd/development.sh test "$development" = true && ac_checking=yes AC_ARG_ENABLE(checking, [ --enable-checking enable run-time checks], [case "${enableval}" in no|none) ac_checking= ;; *) ac_checking=yes ;; esac])dnl if test x$ac_checking != x ; then AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.]) fi 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_MSG_ERROR(enable-targets option must specify target names or 'all') ;; no) enable_targets= ;; *) enable_targets=$enableval ;; esac])dnl BFD_64_BIT 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_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 ${got_handling} for --enable-got option) ;; esac # PR gas/19109 # Decide the default method for compressing debug sections. ac_default_compressed_debug_sections=unset # Provide a configure time option to override our default. AC_ARG_ENABLE(compressed_debug_sections, AS_HELP_STRING([--enable-compressed-debug-sections={all,ld,none}], [compress debug sections by default])], [case ,"${enableval}", in ,yes, | ,all, | *,ld,*) ac_default_compressed_debug_sections=yes ;; ,no, | ,none,) ac_default_compressed_debug_sections=no ;; esac])dnl # Decide setting DT_RUNPATH instead of DT_RPATH by default ac_default_new_dtags=unset # Provide a configure time option to override our default. AC_ARG_ENABLE(new_dtags, AS_HELP_STRING([--enable-new-dtags], [set DT_RUNPATH instead of DT_RPATH by default])], [case "${enableval}" in yes) ac_default_new_dtags=1 ;; no) ac_default_new_dtags=0 ;; esac])dnl # Decide if -z relro should be enabled in ELF linker by default. ac_default_ld_z_relro=unset # Provide a configure time option to override our default. AC_ARG_ENABLE(relro, AS_HELP_STRING([--enable-relro], [enable -z relro in ELF linker by default]), [case "${enableval}" in yes) ac_default_ld_z_relro=1 ;; no) ac_default_ld_z_relro=0 ;; esac])dnl # Decide if DT_TEXTREL check should be enabled in ELF linker. ac_default_ld_textrel_check=unset AC_ARG_ENABLE([textrel-check], AC_HELP_STRING([--enable-textrel-check=@<:@yes|no|warning|error@:>@], [enable DT_TEXTREL check in ELF linker]), [case "${enableval}" in yes|no|warning|error) ac_default_ld_textrel_check=${enableval} ;; esac]) # Decide if -z separate-code should be enabled in ELF linker by default. ac_default_ld_z_separate_code=unset AC_ARG_ENABLE(separate-code, AS_HELP_STRING([--enable-separate-code], [enable -z separate-code in ELF linker by default]), [case "${enableval}" in yes) ac_default_ld_z_separate_code=1 ;; no) ac_default_ld_z_separate_code=0 ;; esac]) # Decide if --error-handling-script should be supported. ac_support_error_handling_script=unset AC_ARG_ENABLE(error-handling-script, AS_HELP_STRING([--enable-error-handling-script], [enable/disable support for the --error-handling-script option]), [case "${enableval}" in yes) ac_support_error_handling_script=1 ;; no) ac_support_error_handling_script=0 ;; esac]) # Decide which "--hash-style" to use by default # Provide a configure time option to override our default. AC_ARG_ENABLE([default-hash-style], AS_HELP_STRING([--enable-default-hash-style={sysv,gnu,both}], [use this default hash style]), [case "${enable_default_hash_style}" in sysv | gnu | both) ;; *) AC_MSG_ERROR([bad value ${enable_default_hash_style} for enable-default-hash-style option]) ;; esac], [case "${target}" in # Enable gnu hash only on GNU targets, but not mips mips*-*-*) enable_default_hash_style=sysv ;; *-*-gnu* | *-*-linux* | *-*-nacl*) enable_default_hash_style=both ;; *) enable_default_hash_style=sysv ;; esac]) case "${enable_default_hash_style}" in sysv | both) ac_default_emit_sysv_hash=1 ;; *) ac_default_emit_sysv_hash=0 ;; esac case "${enable_default_hash_style}" in gnu | both) ac_default_emit_gnu_hash=1 ;; *) ac_default_emit_gnu_hash=0 ;; esac AC_ARG_ENABLE(initfini-array, [ --disable-initfini-array do not use .init_array/.fini_array sections], [case "${enableval}" in yes|no) ;; *) AC_MSG_ERROR([invalid --enable-initfini-array argument]) ;; esac], [enable_initfini_array=yes]) AC_SUBST(enable_initfini_array) if test $enable_initfini_array = yes; then AC_DEFINE(HAVE_INITFINI_ARRAY, 1, [Define .init_array/.fini_array sections are available and working.]) fi GCC_ENABLE([libctf], [yes], [], [Handle .ctf type-info sections]) if test "${enable_libctf}" = yes; then AC_DEFINE(ENABLE_LIBCTF, 1, [Handle .ctf type-info sections]) fi AM_CONDITIONAL(ENABLE_LIBCTF, test "${enable_libctf}" = yes) AC_SUBST(enable_libctf) AM_BINUTILS_WARNINGS AM_LC_MESSAGES AC_CONFIG_HEADERS([config.h:config.in]) # PR 14072 AH_VERBATIM([00_CONFIG_H_CHECK], [/* Check that config.h is #included before system headers (this works only for glibc, but that should be enough). */ #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__) # error config.h must be #included before system headers #endif #define __CONFIG_H__ 1]) if test -z "$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 # host-specific stuff: ALL_LINGUAS="bg da de es fi fr ga id it ja pt_BR ru sr sv tr uk vi zh_CN zh_TW" 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 . ${srcdir}/configure.host AC_SUBST(HDEFINES) AC_SUBST(NATIVE_LIB_DIRS) # We use headers from include/ that check various HAVE_*_H macros, thus # should ensure they are set by configure. This is true even when C99 # guarantees they are available. # sha1.h and md4.h test HAVE_LIMITS_H, HAVE_SYS_TYPES_H and HAVE_STDINT_H # plugin-api.h tests HAVE_STDINT_H and HAVE_INTTYPES_H # Besides those, we need to check anything used in ld/ not in C99. AC_CHECK_HEADERS(fcntl.h elf-hints.h limits.h inttypes.h stdint.h \ sys/file.h sys/mman.h sys/param.h sys/stat.h sys/time.h \ sys/types.h unistd.h) AC_CHECK_FUNCS(close glob lseek mkstemp open realpath sbrk waitpid) BFD_BINARY_FOPEN AC_CHECK_DECLS([asprintf, environ, sbrk]) AC_FUNC_MMAP AC_SEARCH_LIBS([dlopen], [dl]) AC_MSG_CHECKING(for a known getopt prototype in unistd.h) AC_CACHE_VAL(ld_cv_decl_getopt_unistd_h, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])], ld_cv_decl_getopt_unistd_h=yes, ld_cv_decl_getopt_unistd_h=no)]) AC_MSG_RESULT($ld_cv_decl_getopt_unistd_h) if test $ld_cv_decl_getopt_unistd_h = yes; then AC_DEFINE([HAVE_DECL_GETOPT], 1, [Is the prototype for getopt in <unistd.h> in the expected format?]) fi # Link in zlib if we can. This allows us to read and write # compressed CTF sections. AM_ZLIB # When converting linker scripts into strings for use in emulation # files, use astring.sed if the compiler supports ANSI string # concatenation, or ostring.sed otherwise. This is to support the # broken Microsoft MSVC compiler, which limits the length of string # constants, while still supporting pre-ANSI compilers which do not # support string concatenation. 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then EMUL=$targ_emul fi if test x${enable_64_bit_bfd} = xno; then . ${srcdir}/../bfd/config.bfd fi if test x${enable_64_bit_bfd} = xyes; 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" case "${i}" in *elf*) elf_list_options=true ;; *) if $GREP "TEMPLATE_NAME=elf" ${srcdir}/emulparams/${i}.sh >/dev/null 2>/dev/null; then elf_list_options=true fi ;; esac if test "$elf_list_options" = "true"; then source_sh() { . $1 } source_sh ${srcdir}/emulparams/${i}.sh if test x${GENERATE_SHLIB_SCRIPT} = xyes; then elf_shlib_list_options=true fi if test x${PLT_UNWIND} = xyes; then elf_plt_unwind_list_options=true fi fi ;; 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 ${i}" ;; esac done fi done if test x$ac_default_compressed_debug_sections = xyes ; then AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.]) fi if test "${ac_default_new_dtags}" = unset; then ac_default_new_dtags=0 fi AC_DEFINE_UNQUOTED(DEFAULT_NEW_DTAGS, $ac_default_new_dtags, [Define to 1 if you want to set DT_RUNPATH instead of DT_RPATH by default.]) if test "${ac_default_ld_z_relro}" = unset; then ac_default_ld_z_relro=0 fi AC_DEFINE_UNQUOTED(DEFAULT_LD_Z_RELRO, $ac_default_ld_z_relro, [Define to 1 if you want to enable -z relro in ELF linker by default.]) ac_default_ld_textrel_check_warning=0 case "${ac_default_ld_textrel_check}" in unset|no) ac_default_ld_textrel_check=textrel_check_none ;; yes|warning) ac_default_ld_textrel_check=textrel_check_warning ac_default_ld_textrel_check_warning=1 ;; 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then if test x${enable_64_bit_bfd} = xyes; then EMULATION_OFILES='$(ALL_EMULATIONS) $(ALL_64_EMULATIONS)' EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES) $(ALL_64_EMUL_EXTRA_OFILES)' else EMULATION_OFILES='$(ALL_EMULATIONS)' EMUL_EXTRA_OFILES='$(ALL_EMUL_EXTRA_OFILES)' fi else EMULATION_OFILES=$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${enable_static} = xno; then TESTBFDLIB="-Wl,--rpath,../bfd/.libs ../bfd/.libs/libbfd.so" TESTCTFLIB="-Wl,--rpath,../libctf/.libs ../libctf/.libs/libctf.so" else TESTBFDLIB="../bfd/.libs/libbfd.a" TESTCTFLIB="../libctf/.libs/libctf.a" fi if test "${enable_libctf}" = no; then TESTCTFLIB= fi AC_SUBST(TESTBFDLIB) AC_SUBST(TESTCTFLIB) 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" ;; 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