# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
-# 2014, 2015, 2016 Free Software Foundation, Inc.
+# 2014, 2015, 2016, 2019 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
m4_include([config/isl.m4])
AC_INIT(move-if-change)
-AC_PREREQ(2.64)
AC_DISABLE_OPTION_CHECKING
progname=$0
# these libraries are used by various programs built for the host environment
#f
-host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv libctf"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
# binutils, gas and ld appear in that order because it makes sense to run
# "make check" in that particular order.
# If --enable-gold is used, "gold" may replace "ld".
-host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
+host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gdbserver gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
# these libraries are built for the target environment, and are built after
# the host libraries and the host tools (which may be a cross compiler)
target-libgloss \
target-newlib \
target-libgomp \
- target-libcilkrts \
target-liboffloadmic \
+ target-libhsail-rt \
target-libatomic \
target-libitm \
target-libstdc++-v3 \
target-libsanitizer \
target-libvtv \
- target-libmpx \
target-libssp \
target-libquadmath \
target-libgfortran \
- target-boehm-gc \
target-libffi \
target-libobjc \
target-libada \
- target-libgo"
+ target-libgo \
+ target-libphobos \
+ target-zlib"
# these tools are built using the target libraries, and are intended to
# run only in the target environment
;;
*-*-darwin* | *-*-aix*)
;;
- nvptx*-*-*)
+ nvptx*-*-* | amdgcn*-*-*)
;;
*)
noconfigdirs="$noconfigdirs target-libgomp"
fi
fi
-# Disable libcilkrts on unsupported systems.
-if test -d ${srcdir}/libcilkrts; then
- if test x$enable_libcilkrts = x; then
- AC_MSG_CHECKING([for libcilkrts support])
- if (srcdir=${srcdir}/libcilkrts; \
- . ${srcdir}/configure.tgt; \
- test -n "$UNSUPPORTED")
- then
- AC_MSG_RESULT([no])
- noconfigdirs="$noconfigdirs target-libcilkrts"
- else
- AC_MSG_RESULT([yes])
- fi
- fi
-fi
-
# Disable liboffloadmic on unsupported systems.
if test -d ${srcdir}/liboffloadmic; then
if test x$enable_liboffloadmic != xno; then
fi
-# Enable libmpx on supported systems by request.
-if test -d ${srcdir}/libmpx; then
- if test x$enable_libmpx = x; then
- AC_MSG_CHECKING([for libmpx support])
- if (srcdir=${srcdir}/libmpx; \
- . ${srcdir}/configure.tgt; \
- test "$LIBMPX_SUPPORTED" != "yes")
- then
- AC_MSG_RESULT([no])
- noconfigdirs="$noconfigdirs target-libmpx"
- else
- AC_MSG_RESULT([yes])
- fi
+# Disable libhsail-rt on unsupported systems.
+if test -d ${srcdir}/libhsail-rt; then
+ if test x$enable_libhsail_rt = x; then
+ AC_MSG_CHECKING([for libhsail-rt support])
+ if (srcdir=${srcdir}/libhsail-rt; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ unsupported_languages="$unsupported_languages brig"
+ # This implicitly disables also target-libhsail-rt as it won't
+ # get added to the build without BRIG FE.
+ else
+ AC_MSG_RESULT([yes])
+ fi
fi
fi
-
# Disable libquadmath for some systems.
case "${target}" in
avr-*-*)
# No hosted I/O support.
noconfigdirs="$noconfigdirs target-libssp"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libssp"
+ ;;
powerpc-*-aix* | rs6000-*-aix*)
noconfigdirs="$noconfigdirs target-libssp"
;;
+ pru-*-*)
+ # No hosted I/O support.
+ noconfigdirs="$noconfigdirs target-libssp"
+ ;;
rl78-*-*)
# libssp uses a misaligned load to trigger a fault, but the RL78
# doesn't fault for those - instead, it gives a build-time error
# VxWorks uses the Dinkumware C++ library.
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
+ amdgcn*-*-*)
+ # Not ported/fails to build when using newlib.
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
arm*-wince-pe*)
# the C++ libraries don't build on top of CE's C libraries
noconfigdirs="$noconfigdirs target-libstdc++-v3"
avr-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
ft32-*-*)
noconfigdirs="$noconfigdirs target-libstdc++-v3"
;;
esac
fi
+# Disable C++ on systems where it is known to not work.
+# For testing, you can override this with --enable-languages=c++.
+case ,${enable_languages}, in
+ *,c++,*)
+ ;;
+ *)
+ case "${target}" in
+ bpf-*-*)
+ unsupported_languages="$unsupported_languages c++"
+ ;;
+ esac
+ ;;
+esac
+
+# Disable Objc on systems where it is known to not work.
+# For testing, you can override this with --enable-languages=objc.
+case ,${enable_languages}, in
+ *,objc,*)
+ ;;
+ *)
+ case "${target}" in
+ bpf-*-*)
+ unsupported_languages="$unsupported_languages objc"
+ ;;
+ esac
+ ;;
+esac
+
+# Disable D on systems where it is known to not work.
+# For testing, you can override this with --enable-languages=d.
+case ,${enable_languages}, in
+ *,d,*)
+ ;;
+ *)
+ case "${target}" in
+ *-*-darwin*)
+ unsupported_languages="$unsupported_languages d"
+ ;;
+ bpf-*-*)
+ unsupported_languages="$unsupported_languages d"
+ ;;
+ esac
+ ;;
+esac
+
+# Disable libphobos on unsupported systems.
+# For testing, you can override this with --enable-libphobos.
+if test -d ${srcdir}/libphobos; then
+ if test x$enable_libphobos = x; then
+ AC_MSG_CHECKING([for libphobos support])
+ if (srcdir=${srcdir}/libphobos; \
+ . ${srcdir}/configure.tgt; \
+ test "$LIBPHOBOS_SUPPORTED" != "yes")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libphobos"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
# Disable Fortran for some systems.
case "${target}" in
mmix-*-*)
# See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
unsupported_languages="$unsupported_languages fortran"
;;
+ bpf-*-*)
+ unsupported_languages="$unsupported_languages fortran"
+ ;;
esac
# Disable libffi for some systems.
*-*-vxworks*)
noconfigdirs="$noconfigdirs target-libffi"
;;
+ aarch64*-*-freebsd*)
+ noconfigdirs="$noconfigdirs target-libffi"
+ ;;
alpha*-*-*vms*)
noconfigdirs="$noconfigdirs target-libffi"
;;
arm*-*-symbianelf*)
noconfigdirs="$noconfigdirs target-libffi"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libffi"
+ ;;
cris-*-* | crisv32-*-*)
case "${target}" in
*-*-linux*)
noconfigdirs="$noconfigdirs target-libffi"
;;
powerpc-*-aix*)
- # copied from rs6000-*-* entry
- noconfigdirs="$noconfigdirs target-libffi"
;;
rs6000-*-aix*)
- noconfigdirs="$noconfigdirs target-libffi"
;;
ft32-*-*)
noconfigdirs="$noconfigdirs target-libffi"
# Disable the go frontend on systems where it is known to not work. Please keep
# this in sync with contrib/config-list.mk.
case "${target}" in
-*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
+*-*-darwin* | *-*-cygwin* | *-*-mingw* | bpf-* )
unsupported_languages="$unsupported_languages go"
;;
esac
+# Only allow gdbserver on some systems.
+if test -d ${srcdir}/gdbserver; then
+ if test x$enable_gdbserver = x; then
+ AC_MSG_CHECKING([for gdbserver support])
+ if (srcdir=${srcdir}/gdbserver; \
+ . ${srcdir}/configure.srv; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs gdbserver"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
# Disable libgo for some systems where it is known to not work.
# For testing, you can easily override this with --enable-libgo.
if test x$enable_libgo = x; then
*-*-cygwin* | *-*-mingw*)
noconfigdirs="$noconfigdirs target-libgo"
;;
- *-*-aix*)
- noconfigdirs="$noconfigdirs target-libgo"
- ;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libgo"
+ ;;
esac
fi
powerpc*-*-*)
libgloss_dir=rs6000
;;
+ pru-*-*)
+ libgloss_dir=pru
+ ;;
sparc*-*-*)
libgloss_dir=sparc
;;
sparc-*-sunos4*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
*-*-aix*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
noconfigdirs="$noconfigdirs ld gas gdb gprof"
noconfigdirs="$noconfigdirs sim target-rda"
;;
+ amdgcn*-*-*)
+ ;;
arm-*-darwin*)
noconfigdirs="$noconfigdirs ld gas gdb gprof"
noconfigdirs="$noconfigdirs sim target-rda"
;;
*-*-rtems*)
noconfigdirs="$noconfigdirs target-libgloss"
- # this is not caught below because this stanza matches earlier
- case $target in
- or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
- esac
;;
# The tpf target doesn't support gdb yet.
*-*-tpf*)
# newlib is not 64 bit ready
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
+ bpf-*-*)
+ noconfigdirs="$noconfigdirs target-libobjc target-libbacktrace"
+ ;;
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
;;
mt-*-*)
noconfigdirs="$noconfigdirs sim"
;;
+ nfp-*-*)
+ noconfigdirs="$noconfigdirs ld gas gdb gprof sim"
+ noconfigdirs="$noconfigdirs $target_libraries"
+ ;;
+ pdp11-*-*)
+ noconfigdirs="$noconfigdirs gdb gprof"
+ ;;
powerpc-*-aix*)
# copied from rs6000-*-* entry
noconfigdirs="$noconfigdirs gprof"
nvptx*-*-*)
noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
;;
- or1k*-*-*)
- noconfigdirs="$noconfigdirs gdb"
- ;;
sh-*-*)
case "${target}" in
sh*-*-elf)
vax-*-*)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
+ wasm32-*-*)
+ noconfigdirs="$noconfigdirs ld"
+ ;;
esac
# If we aren't building newlib, then don't build libgloss, since libgloss
AS_FOR_BUILD=${AS_FOR_BUILD-as}
CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
- GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
GOC_FOR_BUILD=${GOC_FOR_BUILD-gccgo}
+ GDC_FOR_BUILD=${GDC_FOR_BUILD-gdc}
DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
LD_FOR_BUILD=${LD_FOR_BUILD-ld}
NM_FOR_BUILD=${NM_FOR_BUILD-nm}
AS_FOR_BUILD="\$(AS)"
CC_FOR_BUILD="\$(CC)"
CXX_FOR_BUILD="\$(CXX)"
- GCJ_FOR_BUILD="\$(GCJ)"
GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
GOC_FOR_BUILD="\$(GOC)"
+ GDC_FOR_BUILD="\$(GDC)"
DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
LD_FOR_BUILD="\$(LD)"
NM_FOR_BUILD="\$(NM)"
LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
AC_LANG_PUSH(C++)
- AC_LINK_IFELSE([
+ AC_LINK_IFELSE([AC_LANG_SOURCE([
#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
#error -static-libstdc++ not implemented
#endif
-int main() {}],
+int main() {}])],
[AC_MSG_RESULT([yes]); have_static_libs=yes],
[AC_MSG_RESULT([no])])
AC_LANG_POP(C++)
;;
esac
-# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
-# C++98 compiler can still start the bootstrap.
+# When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a
+# C++11 compiler can still start the bootstrap.
if test "$enable_bootstrap:$GXX" = "yes:yes"; then
- CXX="$CXX -std=gnu++98"
+ CXX="$CXX -std=c++11"
fi
# Used for setting $lt_cv_objdir
AC_MSG_CHECKING([for the correct version of mpfr.h])
AC_TRY_COMPILE([#include <gmp.h>
#include <mpfr.h>],[
- #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
+ #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,0)
choke me
#endif
], [AC_TRY_COMPILE([#include <gmp.h>
#include <mpfr.h>],[
- #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
+ #if MPFR_VERSION < MPFR_VERSION_NUM(3,1,6)
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
int t;
mpfr_init (n);
mpfr_init (x);
- mpfr_atan2 (n, n, x, GMP_RNDN);
- mpfr_erfc (n, x, GMP_RNDN);
- mpfr_subnormalize (x, t, GMP_RNDN);
+ mpfr_atan2 (n, n, x, MPFR_RNDN);
+ mpfr_erfc (n, x, MPFR_RNDN);
+ mpfr_subnormalize (x, t, MPFR_RNDN);
mpfr_clear(n);
mpfr_clear(x);
mpc_init2 (c, 53);
# The library versions listed in the error message below should match
# the HARD-minimums enforced above.
if test x$have_gmp != xyes; then
- AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
+ AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 3.1.0+ and MPC 0.8.0+.
Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
their locations. Source code for these libraries can be found at
their respective hosting sites as well as at
-ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
+https://gcc.gnu.org/pub/gcc/infrastructure/. See also
http://gcc.gnu.org/install/prerequisites.html for additional info. If
you obtained GMP, MPFR and/or MPC from a vendor distribution package,
make sure that you have installed both the libraries and the header
[stage1_libs=])
AC_SUBST(stage1_libs)
+# Whether or not to use -static-libstdc++ and -static-libgcc. The
+# default is yes if gcc is being built; no otherwise. The reason for
+# this default is that gdb is sometimes linked against GNU Source
+# Highlight, which is a shared library that uses C++ exceptions. In
+# this case, -static-libstdc++ will cause crashes.
+AC_ARG_WITH(static-standard-libraries,
+[AS_HELP_STRING([--with-static-standard-libraries],
+ [use -static-libstdc++ and -static-libgcc (default=auto)])],
+[], [with_static_standard_libraries=auto])
+if test "$with_static_standard_libraries" = auto; then
+ with_static_standard_libraries=$have_compiler
+fi
+
# Linker flags to use for stage1 or when not bootstrapping.
AC_ARG_WITH(stage1-ldflags,
[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
# In stage 1, default to linking libstdc++ and libgcc statically with GCC
# if supported. But if the user explicitly specified the libraries to use,
# trust that they are doing what they want.
- if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
+ if test "$with_static_standard_libraries" = yes -a "$stage1_libs" = "" \
+ -a "$have_static_libs" = yes; then
stage1_ldflags="-static-libstdc++ -static-libgcc"
fi])
AC_SUBST(stage1_ldflags)
build_lto_plugin=yes
],[if test x"$default_enable_lto" = x"yes" ; then
case $target in
- *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
+ *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;;
# On other non-ELF platforms, LTO has yet to be validated.
*) enable_lto=no ;;
esac
extra_linker_plugin_flags=)
AC_SUBST(extra_linker_plugin_flags)
+# Enable --enable-host-shared.
+# Checked early to determine whether jit is an 'all' language
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[host_shared=$enableval], [host_shared=no])
+AC_SUBST(host_shared)
# By default, C and C++ are the only stage 1 languages.
stage1_languages=,c,
enable_languages="${LANGUAGES}"
echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
else
- enable_languages=all
+ enable_languages=default
fi
else
if test x"${enable_languages}" = x ||
language=
lang_requires=
lang_requires_boot_languages=
- . ${lang_frag}
+ # set srcdir during sourcing lang_frag to the gcc dir.
+ # Sadly overriding srcdir on the . line doesn't work in plain sh as it
+ # polutes this shell
+ saved_srcdir=${srcdir}
+ srcdir=${srcdir}/gcc . ${lang_frag}
+ srcdir=${saved_srcdir}
for other in ${lang_requires} ${lang_requires_boot_languages}; do
case ,${enable_languages}, in
*,$other,*) ;;
+ *,default,*) ;;
*,all,*) ;;
*,$language,*)
echo " \`$other' language required by \`$language'; enabling" 1>&2
if test "$other" != "c"; then
case ,${enable_stage1_languages}, in
*,$other,*) ;;
+ *,default,*) ;;
*,all,*) ;;
*)
case ,${enable_languages}, in
esac
fi
- missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
+ missing_languages=`echo ",$enable_languages," | sed -e s/,default,/,/ -e s/,all,/,/ -e s/,c,/,/ `
potential_languages=,c,
enabled_target_libs=
subdir_requires=
boot_language=no
build_by_default=yes
- . ${lang_frag}
+ # set srcdir during sourcing. See above about save & restore
+ saved_srcdir=${srcdir}
+ srcdir=${srcdir}/gcc . ${lang_frag}
+ srcdir=${saved_srcdir}
if test x${language} = x; then
echo "${lang_frag} doesn't set \$language." 1>&2
exit 1
fi
add_this_lang=no
- case ,${enable_languages}, in
- *,${language},*)
- # Language was explicitly selected; include it
- # unless it is C, which is enabled by default.
- if test "$language" != "c"; then
+ # C is always enabled, so no need to add it again
+ if test "$language" != "c"; then
+ case ,${enable_languages}, in
+ *,${language},*)
+ # Language was explicitly selected; include it
add_this_lang=yes
- fi
- ;;
- *,all,*)
- # 'all' was selected, select it if it is a default language
- if test "$language" != "c"; then
+ ;;
+ *,all,*)
+ # All languages are enabled
+ add_this_lang=all
+ ;;
+ *,default,*)
+ # 'default' was selected, select it if it is a default language
add_this_lang=${build_by_default}
- fi
- ;;
- esac
+ ;;
+ esac
+ fi
# Disable languages that need other directories if these aren't available.
for i in $subdir_requires; do
test -f "$srcdir/gcc/$i/config-lang.in" && continue
- case ,${enable_languages}, in
- *,${language},*)
+ case ${add_this_lang} in
+ yes)
# Specifically requested language; tell them.
AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
;;
+ all)
+ AC_MSG_WARN([The gcc/$i directory contains parts of $language but is missing])
+ add_this_lang=unsupported
+ ;;
*)
# Silently disable.
add_this_lang=unsupported
done
# Disable Ada if no preexisting GNAT is available.
- case ,${enable_languages},:${language}:${have_gnat} in
- *,${language},*:ada:no)
+ case ${add_this_lang}:${language}:${have_gnat} in
+ yes:ada:no)
# Specifically requested language; tell them.
AC_MSG_ERROR([GNAT is required to build $language])
;;
+ all:ada:no)
+ AC_MSG_WARN([GNAT is required to build $language])
+ add_this_lang=unsupported
+ ;;
*:ada:no)
# Silently disable.
add_this_lang=unsupported
;;
esac
- # Disable a language that is unsupported by the target.
- case " $unsupported_languages " in
- *" $language "*)
+ # Disable jit if -enable-host-shared not specified
+ # but not if building for Mingw. All code in Windows
+ # is position independent code (PIC).
+ case $target in
+ *mingw*) ;;
+ *)
+ case ${add_this_lang}:${language}:${host_shared} in
+ yes:jit:no)
+ # PR jit/64780: explicitly specify --enable-host-shared
+ AC_MSG_ERROR([
+Enabling language "jit" requires --enable-host-shared.
+
+--enable-host-shared typically slows the rest of the compiler down by
+a few %, so you must explicitly enable it.
+
+If you want to build both the jit and the regular compiler, it is often
+best to do this via two separate configure/builds, in separate
+directories, to avoid imposing the performance cost of
+--enable-host-shared on the regular compiler.])
+ ;;
+ all:jit:no)
+ AC_MSG_WARN([--enable-host-shared required to build $language])
+ add_this_lang=unsupported
+ ;;
+ *:jit:no)
+ # Silently disable.
+ add_this_lang=unsupported
+ ;;
+ esac
+ ;;
+ esac
+
+ # Disable a language that is unsupported by the target.
+ case "${add_this_lang}: $unsupported_languages " in
+ no:*) ;;
+ unsupported:*) ;;
+ *:*" $language "*)
+ AC_MSG_WARN([${language} not supported for this target])
add_this_lang=unsupported
;;
esac
noconfigdirs="$noconfigdirs $lang_dirs"
potential_languages="${potential_languages}${language},"
;;
- yes)
+ all|yes)
new_enable_languages="${new_enable_languages}${language},"
potential_languages="${potential_languages}${language},"
missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
AC_ARG_ENABLE(objc-gc,
[AS_HELP_STRING([--enable-objc-gc],
[enable use of Boehm's garbage collector with the
- GNU Objective-C runtime])],
-[case ,${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])
- ;;
-esac])
-
-# Make sure we only build Boehm's garbage collector if required.
-case ,${enable_languages},:${enable_objc_gc} in
- *,objc,*:yes)
- # Keep target-boehm-gc if requested for Objective-C.
- ;;
- *)
- # Otherwise remove target-boehm-gc.
- noconfigdirs="$noconfigdirs target-boehm-gc"
- ;;
+ GNU Objective-C runtime])])
+AC_ARG_WITH([target-bdw-gc],
+[AS_HELP_STRING([--with-target-bdw-gc=PATHLIST],
+ [specify prefix directory for installed bdw-gc package.
+ Equivalent to --with-target-bdw-gc-include=PATH/include
+ plus --with-target-bdw-gc-lib=PATH/lib])])
+AC_ARG_WITH([target-bdw-gc-include],
+[AS_HELP_STRING([--with-target-bdw-gc-include=PATHLIST],
+ [specify directories for installed bdw-gc include files])])
+AC_ARG_WITH([target-bdw-gc-lib],
+[AS_HELP_STRING([--with-target-bdw-gc-lib=PATHLIST],
+ [specify directories for installed bdw-gc library])])
+
+case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto)
+ AC_MSG_CHECKING([for bdw garbage collector])
+ if test "x$with_target_bdw_gc$with_target_bdw_gc_include$with_target_bdw_gc_lib" = x; then
+ dnl no bdw-gw options, assume default locations
+ AC_MSG_RESULT([using bdw-gc in default locations])
+ else
+ dnl bdw-gw options, first error checking, complete checking in libobjc
+ if test "x$with_target_bdw_gc_include" = x && test "x$with_target_bdw_gc_lib" != x; then
+ AC_MSG_ERROR([found --with-target-bdw-gc-lib but --with-target-bdw-gc-include missing])
+ elif test "x$with_target_bdw_gc_include" != x && test "x$with_target_bdw_gc_lib" = x; then
+ AC_MSG_ERROR([found --with-target-bdw-gc-include but --with-target-bdw-gc-lib missing])
+ else
+ AC_MSG_RESULT([using paths configured with --with-target-bdw-gc options])
+ fi
+ fi
esac
-# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
+# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
case ,${enable_languages}, in
*,c++,*)
- # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
+ # Disable libitm, libsanitizer if we're not building libstdc++
case "${noconfigdirs}" in
*target-libstdc++-v3*)
- noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
+ noconfigdirs="$noconfigdirs target-libitm target-libsanitizer"
;;
*) ;;
esac
;;
*)
- noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
+ noconfigdirs="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
;;
esac
nios2-*-elf*)
target_makefile_frag="config/mt-nios2-elf"
;;
+ *-*-linux-android*)
+ target_makefile_frag="config/mt-android"
+ ;;
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
target_makefile_frag="config/mt-gnu"
;;
bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
fi
-# If we are building libmpx, bootstrap it.
-if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
- bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
-fi
-
# Determine whether gdb needs tk/tcl or not.
# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
# and in that case we want gdb to be built without tk. Ugh!
CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
+# gdb and gdbserver depend on gnulib and gdbsupport, but as nothing
+# else does, only include them if one of these is built. The Makefile
+# provides the ordering, so it's enough here to add to the list.
+case " ${configdirs} " in
+ *\ gdb\ *)
+ configdirs="${configdirs} gnulib gdbsupport"
+ ;;
+ *\ gdbserver\ *)
+ configdirs="${configdirs} gnulib gdbsupport"
+ ;;
+esac
+
# Strip out unwanted targets.
# While at that, we remove Makefiles if we were started for recursive
# extrasub-{build,host,target} not because there is any reason to split
# the substitutions up that way, but only to remain below the limit of
# 99 commands in a script, for HP-UX sed.
-# Do not nest @if/@endif pairs, because configure will not warn you at all.
+
+# Do not nest @if/@endif or @unless/@endunless pairs, because
+# configure will not warn you at all.
case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
yes:yes:*\ gold\ *:*,c++,*) ;;
extrasub_build="$extrasub_build
/^@if build-$module\$/d
/^@endif build-$module\$/d
+/^@unless build-$module\$/,/^@endunless build-$module\$/d
/^@if build-$module-$bootstrap_suffix\$/d
-/^@endif build-$module-$bootstrap_suffix\$/d"
+/^@endif build-$module-$bootstrap_suffix\$/d
+/^@unless build-$module-$bootstrap_suffix\$/,/^@endunless build-$module-$bootstrap_suffix\$/d"
done
extrasub_host=
for module in ${configdirs} ; do
extrasub_host="$extrasub_host
/^@if $module\$/d
/^@endif $module\$/d
+/^@unless $module\$/,/^@endunless $module\$/d
/^@if $module-$host_bootstrap_suffix\$/d
-/^@endif $module-$host_bootstrap_suffix\$/d"
+/^@endif $module-$host_bootstrap_suffix\$/d
+/^@unless $module-$host_bootstrap_suffix\$/,/^@endunless $module-$host_bootstrap_suffix\$/d"
done
extrasub_target=
for module in ${target_configdirs} ; do
extrasub_target="$extrasub_target
/^@if target-$module\$/d
/^@endif target-$module\$/d
+/^@unless target-$module\$/,/^@endunless target-$module\$/d
/^@if target-$module-$target_bootstrap_suffix\$/d
-/^@endif target-$module-$target_bootstrap_suffix\$/d"
+/^@endif target-$module-$target_bootstrap_suffix\$/d
+/^@unless target-$module-$target_bootstrap_suffix\$/,/^@endunless target-$module-$target_bootstrap_suffix\$/d"
done
# Do the final fixup along with target modules.
extrasub_target="$extrasub_target
-/^@if /,/^@endif /d"
+/^@if /,/^@endif /d
+/^@unless /d
+/^@endunless /d"
# Create the serialization dependencies. This uses a temporary file.
AC_SUBST(CXXFLAGS_FOR_BUILD)
AC_SUBST(CXX_FOR_BUILD)
AC_SUBST(DLLTOOL_FOR_BUILD)
-AC_SUBST(GCJ_FOR_BUILD)
AC_SUBST(GFORTRAN_FOR_BUILD)
AC_SUBST(GOC_FOR_BUILD)
+AC_SUBST(GDC_FOR_BUILD)
AC_SUBST(LDFLAGS_FOR_BUILD)
AC_SUBST(LD_FOR_BUILD)
AC_SUBST(NM_FOR_BUILD)
NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
+NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
NCN_STRICT_CHECK_TOOLS(READELF, readelf)
AC_SUBST(CC)
AC_SUBST(CXX)
NCN_STRICT_CHECK_TARGET_TOOLS(CC_FOR_TARGET, cc gcc)
NCN_STRICT_CHECK_TARGET_TOOLS(CXX_FOR_TARGET, c++ g++ cxx gxx)
NCN_STRICT_CHECK_TARGET_TOOLS(GCC_FOR_TARGET, gcc, ${CC_FOR_TARGET})
-NCN_STRICT_CHECK_TARGET_TOOLS(GCJ_FOR_TARGET, gcj)
NCN_STRICT_CHECK_TARGET_TOOLS(GFORTRAN_FOR_TARGET, gfortran)
NCN_STRICT_CHECK_TARGET_TOOLS(GOC_FOR_TARGET, gccgo)
+NCN_STRICT_CHECK_TARGET_TOOLS(GDC_FOR_TARGET, gdc)
ACX_CHECK_INSTALLED_TARGET_TOOL(AR_FOR_TARGET, ar)
ACX_CHECK_INSTALLED_TARGET_TOOL(AS_FOR_TARGET, as)
ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
+ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
[gcc/gfortran -B$$r/$(HOST_SUBDIR)/gcc/], fortran)
GCC_TARGET_TOOL(gccgo, GOC_FOR_TARGET, GOC,
[gcc/gccgo -B$$r/$(HOST_SUBDIR)/gcc/], go)
+GCC_TARGET_TOOL(gdc, GDC_FOR_TARGET, GDC,
+ [gcc/gdc -B$$r/$(HOST_SUBDIR)/gcc/], d)
GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
+GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
# Enable -Werror in bootstrap stage2 and later.
AC_ARG_ENABLE(werror,
[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
- enable_werror=no
-fi])
+ [enable -Werror in bootstrap stage2 and later])],
+[
case ${enable_werror} in
yes) stage2_werror_flag="--enable-werror-always" ;;
*) stage2_werror_flag="" ;;
esac
-AC_SUBST(stage2_werror_flag)
-
-# Enable --enable-host-shared.
-AC_ARG_ENABLE(host-shared,
-[AS_HELP_STRING([--enable-host-shared],
- [build host code as shared libraries])],
-[host_shared=$enableval], [host_shared=no])
-AC_SUBST(host_shared)
-
-# PR jit/64780: Require the user to explicitly specify
-# --enable-host-shared if the jit is enabled, hinting
-# that they might want to do a separate configure/build of
-# the jit, to avoid users from slowing down the rest of the
-# compiler by enabling the jit.
-if test ${host_shared} = "no" ; then
- case "${enable_languages}" in
- *jit*)
- AC_MSG_ERROR([
-Enabling language "jit" requires --enable-host-shared.
-
---enable-host-shared typically slows the rest of the compiler down by
-a few %, so you must explicitly enable it.
-
-If you want to build both the jit and the regular compiler, it is often
-best to do this via two separate configure/builds, in separate
-directories, to avoid imposing the performance cost of
---enable-host-shared on the regular compiler.])
- ;;
- *)
- ;;
+],
+[
+if test -d ${srcdir}/gcc && test x"`cat $srcdir/gcc/DEV-PHASE`" = xexperimental; then
+ case $BUILD_CONFIG in
+ bootstrap-debug)
+ stage2_werror_flag="--enable-werror-always" ;;
+ "")
+ stage2_werror_flag="--enable-werror-always" ;;
esac
fi
+])
+
+AC_SUBST(stage2_werror_flag)
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
case "$target" in
hppa*64*-*-hpux*) ;;
- hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
- powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
+ hppa*-*-hpux*) compare_exclusions="$compare_exclusions | */libgcc/lib2funcs* | gcc/function-tests.o" ;;
+ powerpc*-ibm-aix*) compare_exclusions="$compare_exclusions | *libgomp*\$(objext)" ;;
esac
AC_SUBST(compare_exclusions)
projects / thirdparty / gcc.git / blobdiff