X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=configure.ac;h=088e735c5dba53bb4b725a3e3a56e63c41378949;hb=0a541e746c71fe21eb72bae61a9ead541ed7e98d;hp=a67801371a4eabd38e5d99398e17134e5166447c;hpb=5329b59a2e13dabbe2038af0fe2e3cf5fc7f98ed;p=gcc.git

diff --git a/configure.ac b/configure.ac
index a67801371a4..088e735c5db 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,6 +23,7 @@ m4_include(config/acx.m4)
 m4_include(config/override.m4)
 m4_include(config/proginstall.m4)
 m4_include(config/elf.m4)
+m4_include(config/ax_cxx_compile_stdcxx.m4)
 m4_include([libtool.m4])
 m4_include([ltoptions.m4])
 m4_include([ltsugar.m4])
@@ -131,7 +132,7 @@ build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
 
 # 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 libctf"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libcody 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
@@ -139,7 +140,7 @@ host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktr
 # 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 gdbserver 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 c++tools"
 
 # 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)
@@ -723,9 +724,6 @@ case ,${enable_languages}, in
     ;;
   *)
     case "${target}" in
-      *-*-darwin*)
-	unsupported_languages="$unsupported_languages d"
-        ;;
       bpf-*-*)
 	unsupported_languages="$unsupported_languages d"
 	;;
@@ -1037,6 +1035,7 @@ case "${target}" in
     ;;
   *-*-freebsd*)
     if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
+	&& ! test -d ${srcdir}/gmp \
 	&& test -f /usr/local/include/gmp.h; then
       with_gmp=/usr/local
     fi
@@ -1463,9 +1462,16 @@ case "$have_compiler:$host:$target:$enable_bootstrap" in
 esac
 
 # When bootstrapping with GCC, build stage 1 in C++11 mode to ensure that a
-# C++11 compiler can still start the bootstrap.
+# C++11 compiler can still start the bootstrap.  Otherwise, if building GCC,
+# require C++11 (or higher).
 if test "$enable_bootstrap:$GXX" = "yes:yes"; then
   CXX="$CXX -std=c++11"
+elif test "$have_compiler" = yes; then
+  AX_CXX_COMPILE_STDCXX(11)
+
+  if test "${build}" != "${host}"; then
+    AX_CXX_COMPILE_STDCXX(11, [], [], [_FOR_BUILD])
+  fi
 fi
 
 # Used for setting $lt_cv_objdir
@@ -2079,9 +2085,14 @@ if test -d ${srcdir}/gcc; then
         esac
 
         # 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
+        # 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.
 
@@ -2092,16 +2103,18 @@ 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
+	            ;;
+            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
@@ -2798,7 +2811,7 @@ fi
 # 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-hwasan* | *bootstrap-asan* | *bootstrap-ubsan* )
       bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
       bootstrap_fixincludes=yes
       ;;