diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 30 |
1 files changed, 26 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac index 159f96814af..743d20820cb 100644 --- a/configure.ac +++ b/configure.ac @@ -1308,6 +1308,9 @@ case "${host}" in *-mingw*) host_makefile_frag="config/mh-mingw" ;; + alpha*-linux*) + host_makefile_frag="config/mh-alpha-linux" + ;; hppa*-hp-hpux10*) host_makefile_frag="config/mh-pa-hpux10" ;; @@ -1447,6 +1450,12 @@ case "$have_compiler:$host:$target:$enable_bootstrap" in ;; esac +# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a +# C++98 compiler can still start the bootstrap. +if test "$enable_bootstrap:$GXX" = "yes:yes"; then + CXX="$CXX -std=gnu++98" +fi + # Used for setting $lt_cv_objdir _LT_CHECK_OBJDIR @@ -2694,7 +2703,8 @@ AC_SUBST(BUILD_CONFIG) # Use same top-level configure hooks in libgcc/libstdc++/libvtv. AC_MSG_CHECKING([for --enable-vtable-verify]) AC_ARG_ENABLE(vtable-verify, -[ --enable-vtable-verify Enable vtable verification feature ], +[AS_HELP_STRING([--enable-vtable-verify], + [Enable vtable verification feature])], [case "$enableval" in yes) enable_vtable_verify=yes ;; no) enable_vtable_verify=no ;; @@ -3089,7 +3099,7 @@ fi # multilib is not explicitly enabled. case "$target:$have_compiler:$host:$target:$enable_multilib" in x86_64-*linux*:yes:$build:$build:) - # Make sure we have a developement environment that handles 32-bit + # Make sure we have a development environment that handles 32-bit dev64=no echo "int main () { return 0; }" > conftest.c ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c @@ -3100,7 +3110,7 @@ case "$target:$have_compiler:$host:$target:$enable_multilib" in fi rm -f conftest* if test x${dev64} != xyes ; then - AC_MSG_ERROR([I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) + AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.]) fi ;; esac @@ -3508,7 +3518,19 @@ AC_ARG_ENABLE(stage1-checking, [choose additional checking for stage1 of the compiler])], [stage1_checking=--enable-checking=${enable_stage1_checking}], [if test "x$enable_checking" = xno || test "x$enable_checking" = x; then - stage1_checking=--enable-checking=yes,types + # For --disable-checking or implicit --enable-checking=release, avoid + # setting --enable-checking=gc in the default stage1 checking for LTO + # bootstraps. See PR62077. + stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types + case $BUILD_CONFIG in + *lto*) + if test "x$enable_checking" = x && \ + test -d ${srcdir}/gcc && \ + test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then + stage1_checking=--enable-checking=yes,types + fi;; + *) stage1_checking=--enable-checking=yes,types;; + esac else stage1_checking=--enable-checking=$enable_checking,types fi]) |