X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=configure.ac;h=dcc89fbdde1ba191dca82fb2519148f3c1281d23;hb=f6d606c7e717b3c842b96a72c0afcc84b82b7c53;hp=1e5979dc043817caad7be14300088cf53c141648;hpb=b4c522fabd0df7be08882d2207df8b2765026110;p=gcc.git

diff --git a/configure.ac b/configure.ac
index 1e5979dc043..dcc89fbdde1 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 Free Software Foundation, Inc.
+#   2014, 2015, 2016, 2019 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
@@ -31,7 +31,6 @@ m4_include([lt~obsolete.m4])
 m4_include([config/isl.m4])
 
 AC_INIT(move-if-change)
-AC_PREREQ(2.64)
 AC_DISABLE_OPTION_CHECKING
 
 progname=$0
@@ -132,7 +131,7 @@ 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"
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp 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
@@ -164,7 +163,8 @@ target_libraries="target-libgcc \
 		target-libobjc \
 		target-libada \
 		target-libgo \
-		target-libphobos"
+		target-libphobos \
+		target-zlib"
 
 # these tools are built using the target libraries, and are intended to
 # run only in the target environment
@@ -641,6 +641,10 @@ case "${target}" in
   powerpc-*-aix* | rs6000-*-aix*)
     noconfigdirs="$noconfigdirs target-libssp"
     ;;
+  pru-*-*)
+    # No hosted I/O support.
+    noconfigdirs="$noconfigdirs target-libssp"
+    ;;
   rl78-*-*)
     # libssp uses a misaligned load to trigger a fault, but the RL78
     # doesn't fault for those - instead, it gives a build-time error
@@ -674,6 +678,37 @@ if test "${ENABLE_LIBSTDCXX}" = "default" ; then
   esac
 fi
 
+# Disable D on systems where it is known to not work.
+# For testing, you can override this with --enable-languages=d.
+case ,${enable_languages}, in
+  *,d,*)
+    ;;
+  *)
+    case "${target}" in
+      *-*-darwin*)
+	unsupported_languages="$unsupported_languages d"
+	;;
+    esac
+    ;;
+esac
+
+# Disable libphobos on unsupported systems.
+# For testing, you can override this with --enable-libphobos.
+if test -d ${srcdir}/libphobos; then
+    if test x$enable_libphobos = x; then
+	AC_MSG_CHECKING([for libphobos support])
+	if (srcdir=${srcdir}/libphobos; \
+		. ${srcdir}/configure.tgt; \
+		test "$LIBPHOBOS_SUPPORTED" != "yes")
+	then
+	    AC_MSG_RESULT([no])
+	    noconfigdirs="$noconfigdirs target-libphobos"
+	else
+	    AC_MSG_RESULT([yes])
+	fi
+    fi
+fi
+
 # Disable Fortran for some systems.
 case "${target}" in
   mmix-*-*)
@@ -825,6 +860,9 @@ case "${target}" in
   powerpc*-*-*)
     libgloss_dir=rs6000
     ;;
+  pru-*-*)
+    libgloss_dir=pru
+    ;;
   sparc*-*-*)
     libgloss_dir=sparc
     ;;
@@ -904,6 +942,8 @@ case "${target}" in
     noconfigdirs="$noconfigdirs ld gas gdb gprof"
     noconfigdirs="$noconfigdirs sim target-rda"
     ;;
+  amdgcn*-*-*)
+    ;;
   arm-*-darwin*)
     noconfigdirs="$noconfigdirs ld gas gdb gprof"
     noconfigdirs="$noconfigdirs sim target-rda"
@@ -1289,11 +1329,11 @@ if test "$GCC" = yes; then
   LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
   AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
   AC_LANG_PUSH(C++)
-  AC_LINK_IFELSE([
+  AC_LINK_IFELSE([AC_LANG_SOURCE([
 #if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
 #error -static-libstdc++ not implemented
 #endif
-int main() {}],
+int main() {}])],
     [AC_MSG_RESULT([yes]); have_static_libs=yes],
     [AC_MSG_RESULT([no])])
   AC_LANG_POP(C++)
@@ -2710,6 +2750,14 @@ esac
 CONFIGURE_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-configure-/g`
 INSTALL_GDB_TK=`echo ${GDB_TK} | sed s/-all-/-install-/g`
 
+# gdb depends on gnulib, but as nothing else does, only include it if
+# gdb is built.
+if echo " ${configdirs} " | grep " gdb " > /dev/null 2>&1 ; then
+  # The Makefile provides the ordering, so it's enough here to add
+  # gnulib to the list.
+  configdirs="${configdirs} gnulib"
+fi
+
 # Strip out unwanted targets.
 
 # While at that, we remove Makefiles if we were started for recursive
@@ -3324,6 +3372,7 @@ NCN_STRICT_CHECK_TOOLS(WINDRES, windres)
 NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
 NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
 NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
+NCN_STRICT_CHECK_TOOLS(OTOOL, otool)
 NCN_STRICT_CHECK_TOOLS(READELF, readelf)
 AC_SUBST(CC)
 AC_SUBST(CXX)
@@ -3358,6 +3407,7 @@ ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
 ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
 ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
+ACX_CHECK_INSTALLED_TARGET_TOOL(OTOOL_FOR_TARGET, otool)
 ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
 ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
 ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
@@ -3389,6 +3439,7 @@ GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
 GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
 GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
 GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
+GCC_TARGET_TOOL(otool, OTOOL_FOR_TARGET, OTOOL)
 GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
 GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
 GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])