dnl Process this file with autoconf to produce a configure script. dnl dnl And be careful when changing it! If you must add tests with square dnl brackets, be sure changequote invocations surround it. dnl dnl Copyright (C) 2012-2016 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 dnl v2.5 needed for --bindir et al AC_PREREQ(2.59) m4_include([../bfd/version.m4]) AC_INIT([gas], BFD_VERSION) AC_CONFIG_SRCDIR(as.h) dnl Autoconf 2.57 will find the aux dir without this. However, unless dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in dnl gas/ instead of gas/../. AC_CONFIG_AUX_DIR(..) AC_CANONICAL_TARGET AC_ISC_POSIX AM_INIT_AUTOMAKE AC_PROG_CC AC_GNU_SOURCE AC_USE_SYSTEM_EXTENSIONS LT_INIT ACX_LARGEFILE AC_ARG_ENABLE(targets, [ --enable-targets alternative target configurations besides the primary], [case "${enableval}" in yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all') ;; no) enable_targets= ;; *) enable_targets=$enableval ;; esac])dnl ac_checking=yes if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then ac_checking= fi AC_ARG_ENABLE(checking, [ --enable-checking enable run-time checks], [case "${enableval}" in no|none) ac_checking= ;; *) ac_checking=yes ;; esac])dnl if test x$ac_checking != x ; then AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.]) fi # PR gas/19109 # Decide the default method for compressing debug sections. ac_default_compressed_debug_sections=unset # Provide a configure time option to override our default. AC_ARG_ENABLE(compressed_debug_sections, AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,none}], [compress debug sections by default]), [case ,"${enableval}", in ,yes, | ,all, | *,gas,*) ac_default_compressed_debug_sections=yes ;; ,no, | ,none,) ac_default_compressed_debug_sections=no ;; *) ac_default_compressed_debug_sections=unset ;; esac])dnl # PR gas/19520 # Decide if x86 assembler should generate relax relocations. ac_default_x86_relax_relocations=unset # Provide a configure time option to override our default. AC_ARG_ENABLE(x86_relax_relocations, AS_HELP_STRING([--enable-x86-relax-relocations], [generate x86 relax relocations by default]), [case "${enableval}" in no) ac_default_x86_relax_relocations=0 ;; esac])dnl using_cgen=no AM_BINUTILS_WARNINGS # Generate a header file AC_CONFIG_HEADERS(config.h:config.in) # PR 14072 AH_VERBATIM([00_CONFIG_H_CHECK], [/* Check that config.h is #included before system headers (this works only for glibc, but that should be enough). */ #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__) # error config.h must be #included before system headers #endif #define __CONFIG_H__ 1]) # If we are on a DOS filesystem, we must use gdb.ini rather than # .gdbinit. case "${host}" in *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*) GDBINIT="gdb.ini" AC_CONFIG_FILES(gdb.ini:gdbinit.in) ;; *) GDBINIT=".gdbinit" AC_CONFIG_FILES(.gdbinit:gdbinit.in) ;; esac AC_SUBST(GDBINIT) #We need this for the host. BOUT header is in host order. AC_C_BIGENDIAN te_file=generic # Makefile target for installing gas in $(tooldir)/bin. install_tooldir=install-exec-tooldir canon_targets="" all_targets=no if test -n "$enable_targets" ; then for t in `echo $enable_targets | sed 's/,/ /g'`; do if test $t = "all"; then all_targets=yes continue fi result=`$ac_config_sub $t 2>/dev/null` if test -n "$result" ; then canon_targets="$canon_targets $result" # else # # Permit "all", etc. We don't support it yet though. # canon_targets="$canon_targets $t" fi done GAS_UNIQ(canon_targets) fi emulations="" for this_target in $target $canon_targets ; do targ=${this_target} . ${srcdir}/configure.tgt case ${target_cpu} in crisv32) AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch, [Default CRIS architecture.]) ;; esac if test ${this_target} = $target ; then target_cpu_type=${cpu_type} elif test ${target_cpu_type} != ${cpu_type} ; then continue fi generic_target=${cpu_type}-${target_vendor}-${target_os} case ${generic_target} in i386-*-sco3.2v5*) if test ${this_target} = $target; then AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.]) fi ;; i386-*-msdosdjgpp* \ | i386-*-go32* \ | i386-go32-rtems*) AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?]) ;; i386-*-solaris2 \ | x86_64-*-solaris2 \ | i386-*-solaris2.[[0-9]] \ | i386-*-solaris2.1[[01]] \ | x86_64-*-solaris2.1[[01]]) if test ${this_target} = $target \ && test ${ac_default_x86_relax_relocations} = unset; then ac_default_x86_relax_relocations=0 fi ;; i860-*-*) AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;; microblaze*) ;; changequote(,)dnl ppc-*-aix[5-9].*) changequote([,])dnl AC_DEFINE(AIX_WEAK_SUPPORT, 1, [Define if using AIX 5.2 value for C_WEAKEXT.]) ;; ppc-*-solaris*) if test ${this_target} = $target; then AC_DEFINE(TARGET_SOLARIS_COMMENT, 1, [Define if default target is PowerPC Solaris.]) fi if test x${endian} = xbig; then AC_MSG_ERROR(Solaris must be configured little endian) fi ;; sh*-*-symbianelf*) AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.]) ;; esac if test ${this_target} = $target ; then endian_def= if test x${endian} = xbig; then endian_def=1 elif test x${endian} = xlittle; then endian_def=0 fi if test x${endian_def} != x; then AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def, [Define as 1 if big endian.]) fi fi # Other random stuff. case ${cpu_type} in mips) # Set mips_cpu to the name of the default CPU. case ${target_cpu} in mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el) mips_cpu=from-abi ;; mipsisa32 | mipsisa32el) mips_cpu=mips32 ;; mipsisa32r2 | mipsisa32r2el) mips_cpu=mips32r2 ;; mipsisa32r3 | mipsisa32r3el) mips_cpu=mips32r3 ;; mipsisa32r5 | mipsisa32r5el) mips_cpu=mips32r5 ;; mipsisa32r6 | mipsisa32r6el) mips_cpu=mips32r6 ;; mipsisa64 | mipsisa64el) mips_cpu=mips64 ;; mipsisa64r2 | mipsisa64r2el) mips_cpu=mips64r2 ;; mipsisa64r3 | mipsisa64r3el) mips_cpu=mips64r3 ;; mipsisa64r5 | mipsisa64r5el) mips_cpu=mips64r5 ;; mipsisa64r6 | mipsisa64r6el) mips_cpu=mips64r6 ;; mipstx39 | mipstx39el) mips_cpu=r3900 ;; mips64vr | mips64vrel) mips_cpu=vr4100 ;; mipsisa32r2* | mipsisa64r2*) changequote(,)dnl mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'` changequote([,])dnl ;; mipsisa32r6* | mipsisa64r6*) changequote(,)dnl mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r6//' -e 's/el$//'` changequote([,])dnl ;; mips64* | mipsisa64* | mipsisa32*) changequote(,)dnl mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'` changequote([,])dnl ;; mips*) changequote(,)dnl mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'` changequote([,])dnl ;; *) AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name) ;; esac # See whether it's appropriate to set E_MIPS_ABI_O32 for o32 # binaries. It's a GNU extension that some OSes don't understand. case ${target} in *-*-irix*) use_e_mips_abi_o32=0 ;; *) use_e_mips_abi_o32=1 ;; esac # Decide whether to generate 32-bit or 64-bit code by default. # Used to resolve -march=from-abi when an embedded ABI is selected. case ${target} in mips64*-*-* | mipsisa64*-*-*) mips_default_64bit=1 ;; *) mips_default_64bit=0 ;; esac # Decide which ABI to target by default. case ${target} in mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu) mips_default_abi=N32_ABI ;; mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu) mips_default_abi=O32_ABI ;; mips64*-openbsd*) mips_default_abi=N64_ABI ;; *) mips_default_abi=NO_ABI ;; esac AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu", [Default CPU for MIPS targets. ]) AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32, [Allow use of E_MIPS_ABI_O32 on MIPS targets. ]) AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit, [Generate 64-bit code by default on MIPS targets. ]) AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi, [Choose a default ABI for MIPS targets. ]) ;; esac # Do we need the opcodes library? case ${cpu_type} in vax | tic30) ;; *) need_opcodes=yes case "${enable_shared}" in yes) shared_opcodes=true ;; *opcodes*) shared_opcodes=true ;; *) shared_opcodes=false ;; esac ;; esac # Any other special object files needed ? case ${cpu_type} in bfin) echo ${extra_objects} | grep -s "bfin-parse.o" if test $? -ne 0 ; then extra_objects="$extra_objects bfin-parse.o" fi echo ${extra_objects} | grep -s "bfin-lex-wrapper.o" if test $? -ne 0 ; then extra_objects="$extra_objects bfin-lex-wrapper.o" fi ;; epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k) using_cgen=yes ;; m32c) using_cgen=yes ;; frv) using_cgen=yes ;; m68k) case ${extra_objects} in *m68k-parse.o*) ;; *) extra_objects="$extra_objects m68k-parse.o" ;; esac ;; mep) using_cgen=yes ;; mips) echo ${extra_objects} | grep -s "itbl-parse.o" if test $? -ne 0 ; then extra_objects="$extra_objects itbl-parse.o" fi echo ${extra_objects} | grep -s "itbl-lex-wrapper.o" if test $? -ne 0 ; then extra_objects="$extra_objects itbl-lex-wrapper.o" fi echo ${extra_objects} | grep -s "itbl-ops.o" if test $? -ne 0 ; then extra_objects="$extra_objects itbl-ops.o" fi ;; mt) using_cgen=yes ;; nds32) # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features # based on arch_name. AC_MSG_CHECKING(for default configuration of --with-arch) if test "x${with_arch}" != x; then case ${with_arch} in v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 ) AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch", [Define value for nds32_arch_name]) ;; *) AC_MSG_ERROR(This kind of arch name does *NOT* exist!) ;; esac fi AC_MSG_RESULT($with_arch) # Decide features one by one. AC_MSG_CHECKING(for default configuration of --enable-dx-regs) if test "x${enable_dx_regs}" = xyes; then AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1, [Define value for nds32_dx_regs]) else AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0, [Define default value for nds32_dx_regs]) fi AC_MSG_RESULT($enable_dx_regs) AC_MSG_CHECKING(for default configuration of --enable-perf-ext) if test "x${enable_perf_ext}" = xno; then AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0, [Define value for nds32_perf_ext]) else AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1, [Define default value for nds32_perf_ext]) fi AC_MSG_RESULT($enable_perf_ext) AC_MSG_CHECKING(for default configuration of --enable-perf-ext2) if test "x${enable_perf_ext2}" = xno; then AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0, [Define value for nds32_perf_ext2]) else AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1, [Define default value for nds32_perf_ext2]) fi AC_MSG_RESULT($enable_perf_ext2) AC_MSG_CHECKING(for default configuration of --enable-string-ext) if test "x${enable_string_ext}" = xno; then AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0, [Define value for nds32_string_ext]) else AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1, [Define default value for nds32_string_ext]) fi AC_MSG_RESULT($enable_string_ext) AC_MSG_CHECKING(for default configuration of --enable-audio-ext) if test "x${enable_audio_ext}" = xno; then AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0, [Define value for nds32_audio_ext]) else AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1, [Define default value for nds32_audio_ext]) fi AC_MSG_RESULT($enable_audio_ext) ;; i386 | s390 | sparc) if test $this_target = $target ; then AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.]) fi ;; rl78) echo ${extra_objects} | grep -s "rl78-parse.o" if test $? -ne 0 ; then extra_objects="$extra_objects rl78-parse.o" fi ;; rx) echo ${extra_objects} | grep -s "rx-parse.o" if test $? -ne 0 ; then extra_objects="$extra_objects rx-parse.o" fi ;; xstormy16) using_cgen=yes ;; xc16x) using_cgen=yes ;; xtensa) echo ${extra_objects} | grep -s "xtensa-relax.o" if test $? -ne 0 ; then extra_objects="$extra_objects xtensa-relax.o" fi ;; *) ;; esac if test $using_cgen = yes ; then case "x${extra_objects}" in *cgen.o*) ;; *) extra_objects="$extra_objects cgen.o" ;; esac fi # See if we really can support this configuration with the emulation code. if test $this_target = $target ; then obj_format=$fmt te_file=$em fi case ${te_file} in vms) extra_objects="$extra_objects te-vms.o" ;; esac # From target name and format, produce a list of supported emulations. case ${generic_target}-${fmt} in mips-*-*-*) case "$endian" in big) emulation="mipsbelf mipslelf mipself" ;; *) emulation="mipslelf mipsbelf mipself" ;; esac ;; # i386-pc-pe-coff != i386-pc-coff. i386-*-pe-coff) ;; # Uncommenting the next line will turn on support for i386 AOUT # for the default linux configuration # i386-*-linux*-elf) emulation="i386elf i386aout" ;; # i386-*-aout) emulation="i386aout" ;; i386-*-coff) emulation="i386coff" ;; i386-*-elf) emulation="i386elf" ;; # Always all formats. The first stated emulation becomes the default. cris-*-*aout*) emulation="crisaout criself" ;; cris-*-*) emulation="criself crisaout" ;; esac emulations="$emulations $emulation" done if test ${ac_default_x86_relax_relocations} = unset; then ac_default_x86_relax_relocations=1 fi AC_DEFINE_UNQUOTED(DEFAULT_GENERATE_X86_RELAX_RELOCATIONS, $ac_default_x86_relax_relocations, [Define to 1 if you want to generate x86 relax relocations by default.]) if test x$ac_default_compressed_debug_sections = xyes ; then AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.]) fi # Turn on all targets if possible if test ${all_targets} = "yes"; then case ${target_cpu_type} in i386) case ${obj_format} in aout) emulations="$emulations i386coff i386elf" ;; coff) emulations="$emulations i386aout i386elf" ;; elf) emulations="$emulations i386aout i386coff" ;; esac ;; x86_64) case ${obj_format} in aout) emulations="$emulations i386coff i386elf" ;; coff) emulations="$emulations i386aout i386elf" ;; elf) emulations="$emulations i386aout i386coff" ;; esac ;; esac fi # PE code has way too many macros tweaking behaviour case ${te_file} in pe*) emulations="" ;; esac # Assign floating point type. Most processors with FP support # IEEE FP. On those that don't support FP at all, usually IEEE # is emulated. case ${target_cpu} in vax | pdp11 ) atof=vax ;; *) atof=ieee ;; esac case "${obj_format}" in "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;; esac # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU). cgen_cpu_prefix="" if test $using_cgen = yes ; then case ${target_cpu} in or1knd) cgen_cpu_prefix=or1k ;; *) cgen_cpu_prefix=${target_cpu} ;; esac AC_SUBST(cgen_cpu_prefix) AC_DEFINE(USING_CGEN, 1, [Using cgen code?]) fi dnl dnl Make sure the desired support files exist. dnl if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type}) fi if test ! -r ${srcdir}/config/obj-${obj_format}.c; then AC_MSG_ERROR(GAS does not have support for object file format ${obj_format}) fi # Some COFF configurations want these random other flags set. case ${obj_format} in coff) case ${target_cpu_type} in i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;; m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;; m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;; x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;; esac ;; esac # Getting this done right is going to be a bitch. Each configuration specified # with --enable-targets=... should be checked for environment, format, cpu # setting. # # For each configuration, the necessary object file support code must be linked # in. This might be only one, it might be up to four. The necessary emulation # code needs to be provided, too. # # And then there's "--enable-targets=all".... # # For now, just always do it for MIPS ELF configurations. Sigh. formats="${obj_format}" emfiles="" EMULATIONS="" GAS_UNIQ(emulations) for em in . $emulations ; do case $em in .) continue ;; mipsbelf | mipslelf | mipself) fmt=elf file=mipself ;; *coff) fmt=coff file=$em ;; *aout) fmt=aout file=$em ;; *elf) fmt=elf file=$em ;; esac formats="$formats $fmt" emfiles="$emfiles e-$file.o" EMULATIONS="$EMULATIONS &$em," done GAS_UNIQ(formats) GAS_UNIQ(emfiles) if test `set . $formats ; shift ; echo $#` -gt 1 ; then for fmt in $formats ; do case $fmt in aout) AC_DEFINE(OBJ_MAYBE_AOUT, 1, [a.out support?]) ;; bout) AC_DEFINE(OBJ_MAYBE_BOUT, 1, [b.out support?]) ;; coff) AC_DEFINE(OBJ_MAYBE_COFF, 1, [COFF support?]) ;; ecoff) AC_DEFINE(OBJ_MAYBE_ECOFF, 1, [ECOFF support?]) ;; elf) AC_DEFINE(OBJ_MAYBE_ELF, 1, [ELF support?]) ;; generic) AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;; som) AC_DEFINE(OBJ_MAYBE_SOM, 1, [SOM support?]) ;; esac extra_objects="$extra_objects obj-$fmt.o" done obj_format=multi fi if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then DEFAULT_EMULATION=`set . $emulations ; echo $2` # e-mipself has more than one emulation per file, e-i386* has just one at the # moment. If only one emulation is specified, then don't define # USE_EMULATIONS or include any of the e-files as they will only be bloat. case "${obj_format}${emfiles}" in multi* | *mipself*) extra_objects="$extra_objects $emfiles" AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;; esac fi AC_SUBST(extra_objects) AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.]) AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION", [Default emulation.]) reject_dev_configs=yes case ${reject_dev_configs}-${dev} in yes-yes) # Oops. AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.) ;; esac AC_SUBST(target_cpu_type) AC_SUBST(obj_format) AC_SUBST(te_file) AC_SUBST(install_tooldir) AC_SUBST(atof) dnl AC_SUBST(emulation) # do we need the opcodes library? case "${need_opcodes}" in yes) OPCODES_LIB=../opcodes/libopcodes.la ;; esac AC_SUBST(OPCODES_LIB) AC_DEFINE_UNQUOTED(TARGET_ALIAS, "${target_alias}", [Target alias.]) AC_DEFINE_UNQUOTED(TARGET_CANONICAL, "${target}", [Canonical target.]) AC_DEFINE_UNQUOTED(TARGET_CPU, "${target_cpu}", [Target CPU.]) AC_DEFINE_UNQUOTED(TARGET_VENDOR, "${target_vendor}", [Target vendor.]) AC_DEFINE_UNQUOTED(TARGET_OS, "${target_os}", [Target OS.]) AC_PROG_YACC AM_PROG_LEX ALL_LINGUAS="fr tr es rw id ru fi ja zh_CN" ZW_GNU_GETTEXT_SISTER_DIR AM_PO_SUBDIRS AM_MAINTAINER_MODE AM_CONDITIONAL(GENINSRC_NEVER, false) AC_EXEEXT AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h) ACX_HEADER_STRING # Put this here so that autoconf's "cross-compiling" message doesn't confuse # people who are not cross-compiling but are compiling cross-assemblers. AC_MSG_CHECKING(whether compiling a cross-assembler) if test "${host}" = "${target}"; then cross_gas=no else cross_gas=yes AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?]) fi AC_MSG_RESULT($cross_gas) dnl ansidecl.h will deal with const dnl AC_C_CONST AC_FUNC_ALLOCA AC_C_INLINE # VMS doesn't have unlink. AC_CHECK_FUNCS(unlink remove, break) AC_CHECK_FUNCS(sbrk setlocale) AM_LC_MESSAGES # do we need the math library? case "${need_libm}" in yes) LT_LIB_M AC_SUBST(LIBM) ;; esac # Some non-ANSI preprocessors botch requoting inside strings. That's bad # enough, but on some of those systems, the assert macro relies on requoting # working properly! GAS_WORKING_ASSERT # On some systems, the system header files may not declare malloc, realloc, # and free. There are places where gas needs these functions to have been # declared -- such as when taking their addresses. gas_test_headers=" #ifdef HAVE_MEMORY_H #include <memory.h> #endif #ifdef HAVE_STRING_H #include <string.h> #else #ifdef HAVE_STRINGS_H #include <strings.h> #endif #endif #ifdef HAVE_STDLIB_H #include <stdlib.h> #endif #ifdef HAVE_UNISTD_H #include <unistd.h> #endif " # Does errno.h declare errno, or do we have to add a separate declaration # for it? GAS_CHECK_DECL_NEEDED(errno, f, int f, [ #ifdef HAVE_ERRNO_H #include <errno.h> #endif ]) AC_MSG_CHECKING(for a known getopt prototype in unistd.h) AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h, [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])], gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)]) AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h) if test $gas_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 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers) GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers) GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers) GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers) GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers) GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers) AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf, asprintf]) BFD_BINARY_FOPEN # Link in zlib if we can. This allows us to write compressed debug sections. AM_ZLIB # Support for VMS timestamps via cross compile if test "$ac_cv_header_time_h" = yes; then GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff) fi if test "$ac_cv_header_sys_stat_h" = yes; then GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec) GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec) fi dnl Required for html, pdf, install-pdf and install-html targets. AC_SUBST(datarootdir) AC_SUBST(docdir) AC_SUBST(htmldir) AC_SUBST(pdfdir) dnl This must come last. dnl We used to make symlinks to files in the source directory, but now dnl we just use the right name for .c files, and create .h files in dnl the build directory which include the right .h file. Make sure dnl the old symlinks don't exist, so that a reconfigure in an existing dnl directory behaves reasonably. AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in) AC_CONFIG_COMMANDS([default], [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h echo '#include "te-'"${te_file}"'.h"' > targ-env.h echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h if test "x$cgen_cpu_prefix" != x ; then echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h fi], [target_cpu_type=${target_cpu_type} cgen_cpu_prefix=${cgen_cpu_prefix} obj_format=${obj_format} te_file=${te_file}]) AC_OUTPUT