See <https://gcc.gnu.org/ml/gcc-patches/2015-05/msg01977.html> for

[gcc.git] / configure

diff --git a/configure b/configure
index 098ed9fa89c30f17f6829686c582713db299bb0d..07aba3e460d19d2f122648f8d97715c0c9070e7b 100755 (executable)
--- a/configure
+++ b/configure
@@ -559,6 +559,7 @@ compare_exclusions
 host_shared
 stage2_werror_flag
 stage1_checking
+stage1_cxxflags
 stage1_cflags
 MAINT
 MAINTAINER_MODE_FALSE
@@ -3363,6 +3364,9 @@ if test "${ENABLE_LIBSTDCXX}" = "default" ; then
     avr-*-*)
       noconfigdirs="$noconfigdirs target-libstdc++-v3"
       ;;
+    ft32-*-*)
+      noconfigdirs="$noconfigdirs target-libstdc++-v3"
+      ;;
   esac
 fi
 
@@ -3969,6 +3973,9 @@ fi
   *-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"
     ;;
@@ -7420,7 +7427,7 @@ 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} ${LDFLAGS} conftest.c
@@ -7431,7 +7438,7 @@ case "$target:$have_compiler:$host:$target:$enable_multilib" in
     fi
     rm -f conftest*
     if test x${dev64} != xyes ; then
-      as_fn_error "I suspect your system does not have 32-bit developement libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib." "$LINENO" 5
+      as_fn_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." "$LINENO" 5
     fi
     ;;
 esac
@@ -14749,6 +14756,13 @@ case $build in
       *) stage1_cflags="-g -J" ;;
     esac ;;
 esac
+stage1_cxxflags='$(STAGE1_CFLAGS)'
+if test "$GCC" = yes; then
+  # Build stage 1 in C++98 mode to ensure that a C++98 compiler can still
+  # start the bootstrap.
+  stage1_cxxflags="$stage1_cxxflags -std=c++98"
+fi
+
 
 
 
@@ -14758,7 +14772,19 @@ if test "${enable_stage1_checking+set}" = set; then :
   enableval=$enable_stage1_checking; stage1_checking=--enable-checking=${enable_stage1_checking}
 else
   if test "x$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