Merge branch 'master' of github.com/gcc-mirror/gcc

Author: Damian Rouson

ChangeLog

@@ -1,3 +1,7 @@
+2017-11-22  Sudakshina Das  <sudi.das@arm.com>
+
+	* MAINTAINERS (Write After Approval): Add myself.
+
 2017-11-06  Palmer Dabbelt  <palmer@sifive.com>
 
 	* MAINTAINERS (RISC-V): Add Jim Wilson as a maintainer.

MAINTAINERS

@@ -359,6 +359,7 @@ Ian Dall					<ian@beware.dropbear.id.au>
 David Daney					<david.daney@caviumnetworks.com>
 Robin Dapp					<rdapp@linux.vnet.ibm.com>
 Simon Dardis					<simon.dardis@imgtec.com>
+Sudakshina Das					<sudi.das@arm.com>
 Bud Davis					<jmdavis@link.com>
 Chris Demetriou					<cgd@google.com>
 Sameera Deshpande				<sameera.deshpande@arm.com>

config/ChangeLog

@@ -1,3 +1,7 @@
+2017-11-14 Boris Kolpackov  <boris@codesynthesis.com>
+
+	* gcc-plugin.m4: Add support for MinGW.
+
 2017-11-17  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
 
 	* cet.m4: New file.

config/gcc-plugin.m4

@@ -19,8 +19,21 @@ AC_DEFUN([GCC_ENABLE_PLUGINS],
    enable_plugin=yes; default_plugin=yes)
 
    pluginlibs=
+   plugin_check=yes
 
    case "${host}" in
+     *-*-mingw*)
+       # Since plugin support under MinGW is not as straightforward as on
+       # other platforms (e.g., we have to link import library, etc), we
+       # only enable it if explicitly requested.
+       if test x"$default_plugin" = x"yes"; then
+         enable_plugin=no
+       elif test x"$enable_plugin" = x"yes"; then
+         # Use make's target variable to derive import library name.
+         pluginlibs='-Wl,--export-all-symbols -Wl,--out-implib=[$]@.a'
+	 plugin_check=no
+       fi
+     ;;
      *-*-darwin*)
        if test x$build = x$host; then
 	 export_sym_check="nm${exeext} -g"
@@ -41,7 +54,7 @@ AC_DEFUN([GCC_ENABLE_PLUGINS],
      ;;
    esac
 
-   if test x"$enable_plugin" = x"yes"; then
+   if test x"$enable_plugin" = x"yes" -a x"$plugin_check" = x"yes"; then
 
      AC_MSG_CHECKING([for exported symbols])
      if test "x$export_sym_check" != x; then