re PR other/79046 (g++ -print-file-name=plugin uses full version number in path)

	PR other/79046
	* configure: Regenerated.
config/
	* acx.m4 (GCC_BASE_VER): New m4 function.
	(ACX_TOOL_DIRS): Require GCC_BASE_VER, for
	--with-gcc-major-version-only use just major number from BASE-VER.
gcc/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
	version from BASE-VER file.
	(CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
	(gcc.o): Depend on $(BASEVER).
	* common.opt (dumpfullversion): New option.
	* gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
	* doc/invoke.texi: Document -dumpfullversion.
	* doc/install.texi: Document --with-gcc-major-version-only.
	* configure: Regenerated.
libatomic/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* testsuite/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libgomp/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* testsuite/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libgcc/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
	version from BASE-VER file.
	* configure: Regenerated.
libssp/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
liboffloadmic/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* aclocal.m4: Include ../config/acx.m4.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libquadmath/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libmpx/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libada/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
	version from BASE-VER file.
	* configure: Regenerated.
lto-plugin/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libitm/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* testsuite/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
fixincludes/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
libcilkrts/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* aclocal.m4: Include ../config/acx.m4.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libcc1/
	* configure.ac: Add GCC_BASE_VER.  For --with-gcc-major-version-only
	use just major number from BASE-VER.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libobjc/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.in (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
libstdc++-v3/
	* configure.ac: Add GCC_BASE_VER.
	* fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* po/Makefile.in: Regenerated.
	* libsupc++/Makefile.in: Regenerated.
	* testsuite/Makefile.in: Regenerated.
	* src/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
	* include/Makefile.in: Regenerated.
	* doc/Makefile.in: Regenerated.
	* python/Makefile.in: Regenerated.
	* src/c++11/Makefile.in: Regenerated.
	* src/c++98/Makefile.in: Regenerated.
	* src/filesystem/Makefile.in: Regenerated.
libvtv/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* testsuite/Makefile.in: Regenerated.
	* configure: Regenerated.
	* Makefile.in: Regenerated.
libsanitizer/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* libbacktrace/Makefile.in: Regenerated.
	* interception/Makefile.in: Regenerated.
	* asan/Makefile.in: Regenerated.
	* ubsan/Makefile.in: Regenerated.
	* configure: Regenerated.
	* sanitizer_common/Makefile.in: Regenerated.
	* lsan/Makefile.in: Regenerated.
	* Makefile.in: Regenerated.
	* tsan/Makefile.in: Regenerated.
libgfortran/
	* configure.ac: Add GCC_BASE_VER.
	* Makefile.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
	get version from BASE-VER file.
	* configure: Regenerated.
	* Makefile.in: Regenerated.

From-SVN: r244521

8 files changed, 64 insertions, 7 deletions

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6d443fc..bef211c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,17 @@
+2017-01-17  Jakub Jelinek  <jakub@redhat.com>
+
+	PR other/79046
+	* configure.ac: Add GCC_BASE_VER.
+	* Makefile.in (version): Use @get_gcc_base_ver@ instead of cat to get
+	version from BASE-VER file.
+	(CFLAGS-gcc.o): Add -DBASEVER=$(BASEVER_s).
+	(gcc.o): Depend on $(BASEVER).
+	* common.opt (dumpfullversion): New option.
+	* gcc.c (driver_handle_option): Handle OPT_dumpfullversion.
+	* doc/invoke.texi: Document -dumpfullversion.
+	* doc/install.texi: Document --with-gcc-major-version-only.
+	* configure: Regenerated.
+
 2017-01-17  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/71433
diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 59fe4aa..7a7e27a 100644
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -856,7 +856,7 @@ else
 REVISION_c  := $(shell cat $(REVISION))
 endif
 
-version     := $(BASEVER_c)
+version     := $(shell @get_gcc_base_ver@ $(BASEVER))
 
 PATCHLEVEL_c := \
   $(shell echo $(BASEVER_c) | sed -e 's/^[0-9]*\.[0-9]*\.\([0-9]*\)$$/\1/')
@@ -2124,7 +2124,8 @@ DRIVER_DEFINES = \
   $(if $(SHLIB),$(if $(filter yes,@enable_shared@),-DENABLE_SHARED_LIBGCC)) \
   -DCONFIGURE_SPECS="\"@CONFIGURE_SPECS@\""
 
-CFLAGS-gcc.o += $(DRIVER_DEFINES)
+CFLAGS-gcc.o += $(DRIVER_DEFINES) -DBASEVER=$(BASEVER_s)
+gcc.o: $(BASEVER)
 
 specs.h : s-specs ; @true
 s-specs : Makefile
diff --git a/gcc/common.opt b/gcc/common.opt
index 693b743..ad6baa3 100644
--- a/gcc/common.opt
+++ b/gcc/common.opt
@@ -849,6 +849,9 @@ Driver
 dumpversion
 Driver
 
+dumpfullversion
+Driver
+
 e
 Driver Joined Separate
 
diff --git a/gcc/configure b/gcc/configure
index 60cb979..c9e43fb 100755
--- a/gcc/configure
+++ b/gcc/configure
@@ -734,6 +734,7 @@ INCINTL
 LIBINTL_DEP
 LIBINTL
 USE_NLS
+get_gcc_base_ver
 extra_opt_files
 extra_modes_file
 NATIVE_SYSTEM_HEADER_DIR
@@ -918,6 +919,7 @@ with_multilib_list
 enable_rpath
 with_libiconv_prefix
 enable_sjlj_exceptions
+with_gcc_major_version_only
 enable_secureplt
 enable_leading_mingw64_underscores
 enable_cld
@@ -1721,6 +1723,8 @@ Optional Packages:
   --with-gnu-ld           assume the C compiler uses GNU ld default=no
   --with-libiconv-prefix[=DIR]  search for libiconv in DIR/include and DIR/lib
   --without-libiconv-prefix     don't search for libiconv in includedir and libdir
+  --with-gcc-major-version-only
+                          use only GCC major number in filesystem paths
   --with-pic              try to use only PIC/non-PIC objects [default=use
                           both]
   --with-gnu-ld           assume the C compiler uses GNU ld [default=no]
@@ -11860,6 +11864,21 @@ static struct plugin_gcc_version gcc_version = {basever, datestamp,
 						configuration_arguments};
 EOF
 
+# Determine what GCC version number to use in filesystem paths.
+
+  get_gcc_base_ver="cat"
+
+# Check whether --with-gcc-major-version-only was given.
+if test "${with_gcc_major_version_only+set}" = set; then :
+  withval=$with_gcc_major_version_only; if test x$with_gcc_major_version_only = xyes ; then
+        get_gcc_base_ver="sed -e 's/^\([0-9]*\).*\$\$/\1/'"
+      fi
+
+fi
+
+
+
+
 # Internationalization
 # If we haven't got the data from the intl directory,
 # assume NLS is disabled.
@@ -18414,7 +18433,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 18417 "configure"
+#line 18436 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -18520,7 +18539,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 18523 "configure"
+#line 18542 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
diff --git a/gcc/configure.ac b/gcc/configure.ac
index b73a807..33f9a0e 100644
--- a/gcc/configure.ac
+++ b/gcc/configure.ac
@@ -1794,6 +1794,9 @@ static struct plugin_gcc_version gcc_version = {basever, datestamp,
 EOF
 changequote([,])dnl
 
+# Determine what GCC version number to use in filesystem paths.
+GCC_BASE_VER
+
 # Internationalization
 ZW_GNU_GETTEXT_SISTER_DIR
 
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index 4958773..713d225 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -894,6 +894,10 @@ ideas of what it is for.  People use it as if it specified where to
 install part of GCC@.  Perhaps they make this assumption because
 installing GCC creates the directory.
 
+@item --with-gcc-major-version-only
+Specifies that GCC should use only the major number rather than
+@var{major}.@var{minor}.@var{patchlevel} in filesystem paths.
+
 @item --with-native-system-header-dir=@var{dirname}
 Specifies that @var{dirname} is the directory that contains native system
 header files, rather than @file{/usr/include}.  This option is most useful
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index 99f193e..e0624da 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -529,7 +529,7 @@ Objective-C and Objective-C++ Dialects}.
 @item Developer Options
 @xref{Developer Options,,GCC Developer Options}.
 @gccoptlist{-d@var{letters}  -dumpspecs  -dumpmachine  -dumpversion @gol
--fchecking  -fchecking=@var{n}  -fdbg-cnt-list @gol
+-dumpfullversion  -fchecking  -fchecking=@var{n}  -fdbg-cnt-list @gol
 -fdbg-cnt=@var{counter-value-list} @gol
 -fdisable-ipa-@var{pass_name} @gol
 -fdisable-rtl-@var{pass_name} @gol
@@ -13772,8 +13772,17 @@ Print the compiler's target machine (for example,
 
 @item -dumpversion
 @opindex dumpversion
-Print the compiler version (for example, @code{3.0})---and don't do
-anything else.
+Print the compiler version (for example, @code{3.0}, @code{6.3.0} or @code{7})---and don't do
+anything else.  This is the compiler version used in filesystem paths,
+specs, can be depending on how the compiler has been configured just
+a single number (major version), two numbers separated by dot (major and
+minor version) or three numbers separated by dots (major, minor and patchlevel
+version).
+
+@item -dumpfullversion
+@opindex dumpfullversion
+Print the full compiler version, always 3 numbers separated by dots,
+major, minor and patchlevel version.
 
 @item -dumpspecs
 @opindex dumpspecs
diff --git a/gcc/gcc.c b/gcc/gcc.c
index 0ed7da9..826b012 100644
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -3778,6 +3778,10 @@ driver_handle_option (struct gcc_options *opts,
       printf ("%s\n", spec_machine);
       exit (0);
 
+    case OPT_dumpfullversion:
+      printf ("%s\n", BASEVER);
+      exit (0);
+
     case OPT__version:
       print_version = 1;