X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=configure.ac;h=3c7b1ffac3ae95490e7c6974737937be478ca37b;hb=f6b80ca0b864c3736de912ba80e955f8e5cc63ab;hp=30190d65bea669b88e1217cee3f0607efa678319;hpb=186bc2870333e62468be357ddabd8a4f17f96cdf;p=gcc.git

diff --git a/configure.ac b/configure.ac
index 30190d65bea..3c7b1ffac3a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1145,7 +1145,7 @@ case "${target}" in
   tic6x-*-*)
     noconfigdirs="$noconfigdirs sim"
     ;;
-  tilepro-*-* | tilegx-*-*)
+  tilepro*-*-* | tilegx*-*-*)
     noconfigdirs="$noconfigdirs sim"
     ;;
   v810-*-*)
@@ -2472,23 +2472,87 @@ else
   GCC_SHLIB_SUBDIR=
 fi
 
+# Adjust the toplevel makefile according to whether bootstrap was selected.
+case $enable_bootstrap in
+  yes)
+    bootstrap_suffix=bootstrap
+    BUILD_CONFIG=bootstrap-debug
+    ;;
+  no)
+    bootstrap_suffix=no-bootstrap
+    BUILD_CONFIG=
+    ;;
+esac
+
+AC_MSG_CHECKING(for default BUILD_CONFIG)
+
+AC_ARG_WITH([build-config],
+  [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
+		  [use config/NAME.mk build configuration])],
+  [case $with_build_config in
+   yes) with_build_config= ;;
+   no) with_build_config= BUILD_CONFIG= ;;
+   esac])
+
+if test "x${with_build_config}" != x; then
+  BUILD_CONFIG=$with_build_config
+else
+  case $BUILD_CONFIG in
+  bootstrap-debug)
+    if echo "int f (void) { return 0; }" > conftest.c &&
+       ${CC} -c conftest.c &&
+       mv conftest.o conftest.o.g0 &&
+       ${CC} -c -g conftest.c &&
+       mv conftest.o conftest.o.g &&
+       ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
+      :
+    else
+      BUILD_CONFIG=
+    fi
+    rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
+    ;;
+  esac
+fi
+AC_MSG_RESULT($BUILD_CONFIG)
+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 ],
+[case "$enableval" in
+ yes) enable_vtable_verify=yes ;;
+ no)  enable_vtable_verify=no ;;
+ *)   enable_vtable_verify=no;;
+ esac],
+[enable_vtable_verify=no])
+AC_MSG_RESULT($enable_vtable_verify)
+
 # Record target_configdirs and the configure arguments for target and
 # build configuration in Makefile.
 target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
 build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
+bootstrap_fixincludes=no
 
 # If we are building libgomp, bootstrap it.
 if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
   bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
 fi
 
-# If we are building libsanitizer, bootstrap it.
-if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1 ; then
-  bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
+# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
+# or bootstrap-ubsan, bootstrap it.
+if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
+  case "$BUILD_CONFIG" in
+    *bootstrap-asan* | *bootstrap-ubsan* )
+      bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
+      bootstrap_fixincludes=yes
+      ;;
+  esac
 fi
 
-# If we are building libvtv, bootstrap it.
-if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 ; then
+# If we are building libvtv and --enable-vtable-verify, bootstrap it.
+if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
+   test "$enable_vtable_verify" != no; then
   bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
 fi
 
@@ -2541,50 +2605,6 @@ case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
     ;;
 esac
 
-# Adjust the toplevel makefile according to whether bootstrap was selected.
-case $enable_bootstrap in
-  yes)
-    bootstrap_suffix=bootstrap
-    BUILD_CONFIG=bootstrap-debug
-    ;;
-  no)
-    bootstrap_suffix=no-bootstrap
-    BUILD_CONFIG=
-    ;;
-esac
-
-AC_MSG_CHECKING(for default BUILD_CONFIG)
-
-AC_ARG_WITH([build-config],
-  [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
-		  [use config/NAME.mk build configuration])],
-  [case $with_build_config in
-   yes) with_build_config= ;;
-   no) with_build_config= BUILD_CONFIG= ;;
-   esac])
-
-if test "x${with_build_config}" != x; then
-  BUILD_CONFIG=$with_build_config
-else
-  case $BUILD_CONFIG in
-  bootstrap-debug)
-    if echo "int f (void) { return 0; }" > conftest.c &&
-       ${CC} -c conftest.c &&
-       mv conftest.o conftest.o.g0 &&
-       ${CC} -c -g conftest.c &&
-       mv conftest.o conftest.o.g &&
-       ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
-      :
-    else
-      BUILD_CONFIG=
-    fi
-    rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
-    ;;
-  esac
-fi
-AC_MSG_RESULT($BUILD_CONFIG)
-AC_SUBST(BUILD_CONFIG)
-
 extrasub_build=
 for module in ${build_configdirs} ; do
   if test -z "${no_recursion}" \
@@ -2608,11 +2628,15 @@ for module in ${configdirs} ; do
       fi
     done
   fi
+  case ${module},${bootstrap_fixincludes} in
+    fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
+    *) host_bootstrap_suffix=$bootstrap_suffix ;;
+  esac
   extrasub_host="$extrasub_host
 /^@if $module\$/d
 /^@endif $module\$/d
-/^@if $module-$bootstrap_suffix\$/d
-/^@endif $module-$bootstrap_suffix\$/d"
+/^@if $module-$host_bootstrap_suffix\$/d
+/^@endif $module-$host_bootstrap_suffix\$/d"
 done
 extrasub_target=
 for module in ${target_configdirs} ; do
@@ -2879,6 +2903,26 @@ if test x${is_cross_compiler} = xyes ; then
   target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
 fi
 
+# Special user-friendly check for native x86_64-linux build, if
+# 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
+    dev64=no
+    echo "int main () { return 0; }" > conftest.c
+    ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
+    if test $? = 0 ; then
+      if test -s conftest || test -s conftest.exe ; then
+	dev64=yes
+      fi
+    fi 
+    rm -f conftest*
+    if test x${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.])
+    fi
+    ;;
+esac
+
 # Default to --enable-multilib.
 if test x${enable_multilib} = x ; then
   target_configargs="--enable-multilib ${target_configargs}"