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2021-01-09 H.J. Lu <hongjiu.lu@intel.com>
+ PR binutils/26766
+ * Makefile.tpl (BUILD_CFLAGS): New.
+ (CFLAGS): Append $(BUILD_CFLAGS).
+ (CXXFLAGS): Likewise.
+ (PGO_BUILD_GEN_FLAGS_TO_PASS): New.
+ (PGO_BUILD_TRAINING_CFLAGS): Likewise.
+ (PGO_BUILD_TRAINING_CXXFLAGS): Likewise.
+ (PGO_BUILD_TRAINING_FLAGS_TO_PASS): Likewise.
+ (PGO_BUILD_TRAINING_MFLAGS): Likewise.
+ (PGO_BUILD_USE_FLAGS_TO_PASS): Likewise.
+ (PGO-TRAINING-TARGETS): Likewise.
+ (PGO_BUILD_TRAINING): Likewise.
+ (all): Add '+' to the command line for recursive make. Support
+ the PGO build.
+ * configure.ac: Add --enable-pgo-build[=lto].
+ AC_SUBST PGO_BUILD_GEN_CFLAGS, PGO_BUILD_USE_CFLAGS and
+ PGO_BUILD_LTO_CFLAGS. Enable the PGO build in Makefile.
+ * Makefile.in: Regenerated.
+ * configure: Likewise.
+
+2021-01-09 H.J. Lu <hongjiu.lu@intel.com>
+
* Makefile.tpl (AR): Add @AR_PLUGIN_OPTION@
(RANLIB): Add @RANLIB_PLUGIN_OPTION@.
* configure.ac: Include config/gcc-plugin.m4.