# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
+# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
# Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
# Handle --enable-gold, --enable-ld.
# --disable-gold [--enable-ld]
# Build only ld. Default option.
-# --enable-gold[=default] [--enable-ld]
+# --enable-gold [--enable-ld]
+# Build both gold and ld. Install gold as "ld.gold", install ld
+# as "ld.bfd" and "ld".
+# --enable-gold=default [--enable-ld]
# Build both gold and ld. Install gold as "ld.gold" and "ld",
# install ld as "ld.bfd".
# --enable-gold[=default] --disable-ld
# Build only gold, which is then installed as both "ld.gold" and "ld".
# --enable-gold --enable-ld=default
-# Build both gold (installed as "gold") and ld (installed as "ld").
+# Build both gold (installed as "ld.gold") and ld (installed as "ld"
+# and ld.bfd).
# In other words, ld is default
# --enable-gold=default --enable-ld=default
# Error.
default_ld=
AC_ARG_ENABLE(gold,
-[[ --enable-gold[=ARG] build gold [ARG={default,yes,no}]]],
+[AS_HELP_STRING([[--enable-gold[=ARG]]],
+ [build gold @<:@ARG={default,yes,no}@:>@])],
ENABLE_GOLD=$enableval,
ENABLE_GOLD=no)
case "${ENABLE_GOLD}" in
esac
AC_ARG_ENABLE(ld,
-[[ --enable-ld[=ARG] build ld [ARG={default,yes,no}]]],
+[AS_HELP_STRING([[--enable-ld[=ARG]]],
+ [build ld @<:@ARG={default,yes,no}@:>@])],
ENABLE_LD=$enableval,
ENABLE_LD=yes)
case "${ENABLE_LD}" in
default)
- if test x${default_ld} != xgold; then
+ if test x${default_ld} != x; then
AC_MSG_ERROR([either gold or ld can be the default ld])
fi
;;
esac
+AC_ARG_ENABLE(libquadmath,
+AS_HELP_STRING([--disable-libquadmath],
+ [do not build libquadmath directory]),
+ENABLE_LIBQUADMATH=$enableval,
+ENABLE_LIBQUADMATH=yes)
+if test "${ENABLE_LIBQUADMATH}" = "no" ; then
+ noconfigdirs="$noconfigdirs target-libquadmath"
+fi
+
+
+AC_ARG_ENABLE(libquadmath-support,
+AS_HELP_STRING([--disable-libquadmath-support],
+ [disable libquadmath support for Fortran]),
+ENABLE_LIBQUADMATH_SUPPORT=$enableval,
+ENABLE_LIBQUADMATH_SUPPORT=yes)
+enable_libquadmath_support=
+if test "${ENABLE_LIBQUADMATH_SUPPORT}" = "no" ; then
+ enable_libquadmath_support=no
+fi
+
+
AC_ARG_ENABLE(libada,
-[ --enable-libada build libada directory],
+[AS_HELP_STRING([--enable-libada], [build libada directory])],
ENABLE_LIBADA=$enableval,
ENABLE_LIBADA=yes)
if test "${ENABLE_LIBADA}" != "yes" ; then
fi
AC_ARG_ENABLE(libssp,
-[ --enable-libssp build libssp directory],
+[AS_HELP_STRING([--enable-libssp], [build libssp directory])],
ENABLE_LIBSSP=$enableval,
ENABLE_LIBSSP=yes)
# Make sure we get it printed in the list of not supported target libs.
# Don't disable libffi, though, other languages use it.
noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
+ # Clear libgcj_saved so that even if java is enabled libffi won't be
+ # built.
+ libgcj_saved=
;;
esac
;;
bfin-*-*)
unsupported_languages="$unsupported_languages java"
- noconfigdirs="$noconfigdirs target-boehm-gc gdb"
+ noconfigdirs="$noconfigdirs target-boehm-gc"
if test x${is_cross_compiler} != xno ; then
target_configdirs="${target_configdirs} target-bsp target-cygmon"
fi
*-*-aout)
unsupported_languages="$unsupported_languages fortran"
noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
- *-*-elf)
- noconfigdirs="$noconfigdirs target-boehm-gc";;
+ *-*-elf) # See PR46792 regarding target-libffi.
+ noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
*-*-linux*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
*)
noconfigdirs="$noconfigdirs readline mmalloc libgui itcl gdb"
;;
ia64*-**-hpux*)
- # No gdb or ld support yet.
- noconfigdirs="$noconfigdirs ${libgcj} readline mmalloc libgui itcl gdb ld"
+ # No ld support yet.
+ noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
;;
ia64*-*-*vms*)
# No gdb or ld support yet.
mt-*-*)
noconfigdirs="$noconfigdirs sim"
;;
+ picochip-*-*)
+ noconfigdirs="$noconfigdirs target-libiberty"
+ ;;
powerpc-*-aix*)
# copied from rs6000-*-* entry
noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
# See if we are building gcc with C++.
AC_ARG_ENABLE(build-with-cxx,
-[ --enable-build-with-cxx build with C++ compiler instead of C compiler],
+[AS_HELP_STRING([--enable-build-with-cxx],
+ [build with C++ compiler instead of C compiler])],
ENABLE_BUILD_WITH_CXX=$enableval,
ENABLE_BUILD_WITH_CXX=no)
# Specify a location for mpc
# check for this first so it ends up on the link line before mpfr.
-AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
- Equivalent to --with-mpc-include=PATH/include
- plus --with-mpc-lib=PATH/lib])
-AC_ARG_WITH(mpc-include, [ --with-mpc-include=PATH
- specify directory for installed MPC include files])
-AC_ARG_WITH(mpc-lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
+AC_ARG_WITH(mpc,
+[AS_HELP_STRING([--with-mpc=PATH],
+ [specify prefix directory for installed MPC package.
+ Equivalent to --with-mpc-include=PATH/include
+ plus --with-mpc-lib=PATH/lib])])
+AC_ARG_WITH(mpc-include,
+[AS_HELP_STRING([--with-mpc-include=PATH],
+ [specify directory for installed MPC include files])])
+AC_ARG_WITH(mpc-lib,
+[AS_HELP_STRING([--with-mpc-lib=PATH],
+ [specify directory for the installed MPC library])])
if test "x$with_mpc" != x; then
gmplibs="-L$with_mpc/lib $gmplibs"
# Specify a location for mpfr
# check for this first so it ends up on the link line before gmp.
-AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
- AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
-Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
-
-AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
- Equivalent to --with-mpfr-include=PATH/include
- plus --with-mpfr-lib=PATH/lib])
-AC_ARG_WITH(mpfr-include, [ --with-mpfr-include=PATH
- specify directory for installed MPFR include files])
-AC_ARG_WITH(mpfr-lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
+AC_ARG_WITH(mpfr-dir,
+[AS_HELP_STRING([--with-mpfr-dir=PATH], [this option has been REMOVED])],
+[AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
+Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH])])
+
+AC_ARG_WITH(mpfr,
+[AS_HELP_STRING([--with-mpfr=PATH],
+ [specify prefix directory for installed MPFR package.
+ Equivalent to --with-mpfr-include=PATH/include
+ plus --with-mpfr-lib=PATH/lib])])
+AC_ARG_WITH(mpfr-include,
+[AS_HELP_STRING([--with-mpfr-include=PATH],
+ [specify directory for installed MPFR include files])])
+AC_ARG_WITH(mpfr-lib,
+[AS_HELP_STRING([--with-mpfr-lib=PATH],
+ [specify directory for the installed MPFR library])])
if test "x$with_mpfr" != x; then
gmplibs="-L$with_mpfr/lib $gmplibs"
fi
# Specify a location for gmp
-AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
- AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
-Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
-
-AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
- Equivalent to --with-gmp-include=PATH/include
- plus --with-gmp-lib=PATH/lib])
-AC_ARG_WITH(gmp-include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
-AC_ARG_WITH(gmp-lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
+AC_ARG_WITH(gmp-dir,
+[AS_HELP_STRING([--with-gmp-dir=PATH], [this option has been REMOVED])],
+[AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
+Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH])])
+
+AC_ARG_WITH(gmp,
+[AS_HELP_STRING([--with-gmp=PATH],
+ [specify prefix directory for the installed GMP package.
+ Equivalent to --with-gmp-include=PATH/include
+ plus --with-gmp-lib=PATH/lib])])
+AC_ARG_WITH(gmp-include,
+[AS_HELP_STRING([--with-gmp-include=PATH],
+ [specify directory for installed GMP include files])])
+AC_ARG_WITH(gmp-lib,
+[AS_HELP_STRING([--with-gmp-lib=PATH],
+ [specify directory for the installed GMP library])])
if test "x$with_gmp" != x; then
AC_SUBST(extra_mpc_mpfr_configure_flags)
# Allow host libstdc++ to be specified for static linking with PPL.
-AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
- when linking with PPL])
+AC_ARG_WITH(host-libstdcxx,
+[AS_HELP_STRING([--with-host-libstdcxx=L],
+ [use linker arguments L to link with libstdc++
+ when linking with PPL])])
case $with_host_libstdcxx in
no|yes)
# Linker flags to use for stage1 or when not boostrapping.
AC_ARG_WITH(stage1-ldflags,
-[ --with-stage1-ldflags=FLAGS Linker flags for stage1],
+[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
[if test "$withval" = "no" -o "$withval" = "yes"; then
stage1_ldflags=
else
# Libraries to use for stage1 or when not bootstrapping.
AC_ARG_WITH(stage1-libs,
-[ -with-stage1-libs=LIBS Libraries for stage1],
+[AS_HELP_STRING([--with-stage1-libs=LIBS], [libraries for stage1])],
[if test "$withval" = "no" -o "$withval" = "yes"; then
stage1_libs=
else
# Libraries to use for stage2 and later builds. This defaults to the
# argument passed to --with-host-libstdcxx.
AC_ARG_WITH(boot-libs,
-[ --with-boot-libs=LIBS Libraries for stage2 and later],
+[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
[if test "$withval" = "no" -o "$withval" = "yes"; then
poststage1_libs=
else
# Linker flags to use for stage2 and later builds.
AC_ARG_WITH(boot-ldflags,
-[ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
+[AS_HELP_STRING([--with-boot-ldflags=FLAGS],
+ [linker flags for stage2 and later])],
[if test "$withval" = "no" -o "$withval" = "yes"; then
poststage1_ldflags=
else
poststage1_ldflags=$withval
fi],
[poststage1_ldflags=
- # With --enable-build-with-cxx, default to linking libstdc++ and
- # libgcc statically. But if the user explicitly specified the
- # libraries to use, trust that they are doing what they want.
- if test "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then
+ # In stages 2 and 3, default to linking libstdc++ and libgcc
+ # statically. But if the user explicitly specified the libraries to
+ # use, trust that they are doing what they want.
+ if test "$poststage1_libs" = ""; then
poststage1_ldflags="-static-libstdc++ -static-libgcc"
fi])
AC_SUBST(poststage1_ldflags)
ppllibs=" -lppl_c -lppl -lgmpxx"
pplinc=
-AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
- Equivalent to --with-ppl-include=PATH/include
- plus --with-ppl-lib=PATH/lib])
-AC_ARG_WITH(ppl-include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
-AC_ARG_WITH(ppl-lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
+AC_ARG_WITH(ppl,
+[AS_HELP_STRING([--with-ppl=PATH],
+ [specify prefix directory for the installed PPL package.
+ Equivalent to --with-ppl-include=PATH/include
+ plus --with-ppl-lib=PATH/lib])])
+AC_ARG_WITH(ppl-include,
+[AS_HELP_STRING([--with-ppl-include=PATH],
+ [specify directory for installed PPL include files])])
+AC_ARG_WITH(ppl-lib,
+[AS_HELP_STRING([--with-ppl-lib=PATH],
+ [specify directory for the installed PPL library])])
case $with_ppl in
no)
fi
AC_ARG_ENABLE(ppl-version-check,
-[ --disable-ppl-version-check disable check for PPL version],
+[AS_HELP_STRING([--disable-ppl-version-check],
+ [disable check for PPL version])],
ENABLE_PPL_CHECK=$enableval,
ENABLE_PPL_CHECK=yes)
# Check for LTO support.
AC_ARG_ENABLE(lto,
-[ --enable-lto enable link time optimization support],
+[AS_HELP_STRING([--enable-lto], [enable link time optimization support])],
enable_lto=$enableval,
enable_lto=yes; default_enable_lto=yes)
fi
AC_ARG_ENABLE(stage1-languages,
-[ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
- stage1. Mostly useful for compiler development.],
+ [AS_HELP_STRING([[--enable-stage1-languages[=all]]],
+ [choose additional languages to build during
+ stage1. Mostly useful for compiler development])],
[case ,${enable_stage1_languages}, in
,no,|,,)
# Set it to something that will have no effect in the loop below
# Check for Boehm's garbage collector
AC_ARG_ENABLE(objc-gc,
-[ --enable-objc-gc enable use of Boehm's garbage collector with the
- GNU Objective-C runtime],
+[AS_HELP_STRING([--enable-objc-gc],
+ [enable use of Boehm's garbage collector with the
+ GNU Objective-C runtime])],
[case ,${enable_languages},:${enable_objc_gc}:${noconfigdirs} in
*,objc,*:*:yes:*target-boehm-gc*)
AC_MSG_ERROR([Boehm's garbage collector was requested yet not supported in this configuration])
copy_dirs=
AC_ARG_WITH([build-sysroot],
- [ --with-build-sysroot=SYSROOT
- use sysroot as the system root during the build],
+ [AS_HELP_STRING([--with-build-sysroot=SYSROOT],
+ [use sysroot as the system root during the build])],
[if test x"$withval" != x ; then
SYSROOT_CFLAGS_FOR_TARGET="--sysroot=$withval"
fi],
AC_SUBST(SYSROOT_CFLAGS_FOR_TARGET)
AC_ARG_WITH([debug-prefix-map],
- [ --with-debug-prefix-map='A=B C=D ...'
- map A to B, C to D ... in debug information],
+ [AS_HELP_STRING([--with-debug-prefix-map='A=B C=D ...'],
+ [map A to B, C to D ... in debug information])],
[if test x"$withval" != x; then
DEBUG_PREFIX_CFLAGS_FOR_TARGET=
for debug_map in $withval; do
# Do not nest @if/@endif pairs, because configure will not warn you at all.
AC_ARG_ENABLE([bootstrap],
-[ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
+[AS_HELP_STRING([--enable-bootstrap],
+ [enable bootstrapping @<:@yes if native build@:>@])],,
enable_bootstrap=default)
# Issue errors and warnings for invalid/strange bootstrap combinations.
AC_MSG_CHECKING(for default BUILD_CONFIG)
AC_ARG_WITH([build-config],
- [--with-build-config='NAME NAME2...'
- Use config/NAME.mk build configuration],
+ [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
+ [use config/NAME.mk build configuration])],
[case $with_build_config in
yes) with_build_config= ;;
no) with_build_config= BUILD_CONFIG= ;;
# Create the serialization dependencies. This uses a temporary file.
AC_ARG_ENABLE([serial-configure],
-[ --enable-serial-@<:@{host,target,build}-@:>@configure
- force sequential configuration of
- sub-packages for the host, target or build
- machine, or all sub-packages])
+[AS_HELP_STRING([[--enable-serial-[{host,target,build}-]configure]],
+ [force sequential configuration of
+ sub-packages for the host, target or build
+ machine, or all sub-packages])])
case ${enable_serial_configure} in
yes)
# Target tools.
AC_ARG_WITH([build-time-tools],
- [ --with-build-time-tools=PATH
- use given path to find target tools during the build],
+ [AS_HELP_STRING([--with-build-time-tools=PATH],
+ [use given path to find target tools during the build])],
[case x"$withval" in
x/*) ;;
*)
GCC_TARGET_TOOL(ar, AR_FOR_TARGET, AR, [binutils/ar])
GCC_TARGET_TOOL(as, AS_FOR_TARGET, AS, [gas/as-new])
GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
+dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
- [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `test ! -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags || $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
+ [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
c++)
GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
[gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
AC_ARG_ENABLE(maintainer-mode,
-[ --enable-maintainer-mode enable make rules and dependencies not useful
- (and sometimes confusing) to the casual installer],
+[AS_HELP_STRING([--enable-maintainer-mode],
+ [enable make rules and dependencies not useful
+ (and sometimes confusing) to the casual installer])],
USE_MAINTAINER_MODE=$enableval,
USE_MAINTAINER_MODE=no)
AC_MSG_RESULT($USE_MAINTAINER_MODE)
# Enable --enable-checking in stage1 of the compiler.
AC_ARG_ENABLE(stage1-checking,
-[ --enable-stage1-checking@<:@=all@:>@ choose additional checking for stage1
- of the compiler],
+[AS_HELP_STRING([[--enable-stage1-checking[=all]]],
+ [choose additional checking for stage1 of the compiler])],
[stage1_checking=--enable-checking=${enable_stage1_checking}],
[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
stage1_checking=--enable-checking=yes,types
# Enable -Werror in bootstrap stage2 and later.
AC_ARG_ENABLE(werror,
-[ --enable-werror enable -Werror in bootstrap stage2 and later], [],
+[AS_HELP_STRING([--enable-werror],
+ [enable -Werror in bootstrap stage2 and later])], [],
[if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
enable_werror=yes
else