diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 216 |
1 files changed, 123 insertions, 93 deletions
diff --git a/configure.ac b/configure.ac index 9d16792..aae9450 100644 --- a/configure.ac +++ b/configure.ac @@ -1,6 +1,6 @@ # 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, 2017 Free Software Foundation, Inc. +# 2014, 2015, 2016 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 @@ -150,8 +150,8 @@ target_libraries="target-libgcc \ target-libgloss \ target-newlib \ target-libgomp \ - target-libcilkrts \ target-liboffloadmic \ + target-libhsail-rt \ target-libatomic \ target-libitm \ target-libstdc++-v3 \ @@ -331,7 +331,7 @@ case "${ENABLE_GOLD}" in *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \ | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \ | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \ - | *-*-solaris2* | *-*-nto* | *-*-nacl* | *-*-fuchsia*) + | *-*-solaris2* | *-*-nto* | *-*-nacl*) case "${target}" in *-*-linux*aout* | *-*-linux*oldld*) ;; @@ -536,22 +536,6 @@ if test -d ${srcdir}/libatomic; then 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 @@ -633,6 +617,23 @@ if test -d ${srcdir}/libmpx; then fi 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="$unsupported_languages brig" + # This implicitly disables also target-libhsail-rt as it won't + # get added to the build without BRIG FE. + else + AC_MSG_RESULT([yes]) + fi + fi +fi # Disable libquadmath for some systems. @@ -773,11 +774,8 @@ case "${target}" in 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" @@ -790,7 +788,7 @@ esac # Disable the go frontend on systems where it is known to not work. Please keep # this in sync with contrib/config-list.mk. case "${target}" in -*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*) +*-*-darwin* | *-*-cygwin* | *-*-mingw*) unsupported_languages="$unsupported_languages go" ;; esac @@ -806,9 +804,6 @@ if test x$enable_libgo = x; then *-*-cygwin* | *-*-mingw*) noconfigdirs="$noconfigdirs target-libgo" ;; - *-*-aix*) - noconfigdirs="$noconfigdirs target-libgo" - ;; esac fi @@ -1702,7 +1697,7 @@ ACX_ELF_TARGET_IFELSE([# ELF platforms build the lto-plugin always. build_lto_plugin=yes ],[if test x"$default_enable_lto" = x"yes" ; then case $target in - *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;; + *-apple-darwin[[912]]* | *-cygwin* | *-mingw* | *djgpp*) ;; # On other non-ELF platforms, LTO has yet to be validated. *) enable_lto=no ;; esac @@ -1741,6 +1736,13 @@ AC_ARG_ENABLE(linker-plugin-flags, extra_linker_plugin_flags=) AC_SUBST(extra_linker_plugin_flags) +# Enable --enable-host-shared. +# Checked early to determine whether jit is an 'all' language +AC_ARG_ENABLE(host-shared, +[AS_HELP_STRING([--enable-host-shared], + [build host code as shared libraries])], +[host_shared=$enableval], [host_shared=no]) +AC_SUBST(host_shared) # By default, C and C++ are the only stage 1 languages. stage1_languages=,c, @@ -1759,7 +1761,7 @@ if test -d ${srcdir}/gcc; then enable_languages="${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 || @@ -1807,10 +1809,16 @@ if test -d ${srcdir}/gcc; then 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 @@ -1822,6 +1830,7 @@ if test -d ${srcdir}/gcc; then if test "$other" != "c"; then case ,${enable_stage1_languages}, in *,$other,*) ;; + *,default,*) ;; *,all,*) ;; *) case ,${enable_languages}, in @@ -1859,7 +1868,7 @@ if test -d ${srcdir}/gcc; then esac fi - missing_languages=`echo ",$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= @@ -1880,7 +1889,10 @@ if test -d ${srcdir}/gcc; then 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 @@ -1891,30 +1903,36 @@ if test -d ${srcdir}/gcc; then fi add_this_lang=no - case ,${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 @@ -1923,20 +1941,52 @@ if test -d ${srcdir}/gcc; then done # Disable Ada if no preexisting GNAT is available. - case ,${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 + 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 $language]) + add_this_lang=unsupported + ;; + *:jit:no) + # Silently disable. + add_this_lang=unsupported + ;; + esac + + # Disable a language that is unsupported by the target. + case "${add_this_lang}: $unsupported_languages " in + no:*) ;; + unsupported:*) ;; + *:*" $language "*) + AC_MSG_WARN([${language} not supported for this target]) add_this_lang=unsupported ;; esac @@ -1953,7 +2003,7 @@ if test -d ${srcdir}/gcc; then noconfigdirs="$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/,$language,/,/"` @@ -2082,19 +2132,19 @@ case ,${enable_languages},:${enable_objc_gc} in *,objc,*:yes|*,objc,*:auto) fi esac -# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ +# Disable libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++ case ,${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="$noconfigdirs target-liboffloadmic target-libitm target-libsanitizer target-libvtv" ;; esac @@ -2449,6 +2499,9 @@ case "${target}" in 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" ;; @@ -3436,55 +3489,32 @@ AC_SUBST(stage1_checking) # 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/*" ;; + hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/* | gcc/function-tests.o" ;; powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;; esac AC_SUBST(compare_exclusions) |