[Bug bootstrap/58925] --enable-version-specific-runtime-libs breaks libcilk install

[octoploid at yandex dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58925

--- Comment #4 from octoploid at yandex dot com ---
The following patch fixes the issue for me:

diff --git a/libcilkrts/Makefile.am b/libcilkrts/Makefile.am
index f332cfb13de6..40a19787fda7 100644
--- a/libcilkrts/Makefile.am
+++ b/libcilkrts/Makefile.am
@@ -47,6 +47,8 @@ AM_CFLAGS = $(GENERAL_FLAGS) -std=c99
 AM_CPPFLAGS = $(GENERAL_FLAGS)
 AM_LDFLAGS = -lpthread -ldl

+gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
+
 # Target list.
 toolexeclib_LTLIBRARIES = libcilkrts.la

diff --git a/libcilkrts/Makefile.in b/libcilkrts/Makefile.in
index 35e270518211..47ea956ee457 100644
--- a/libcilkrts/Makefile.in
+++ b/libcilkrts/Makefile.in
@@ -346,6 +346,8 @@ AM_CFLAGS = $(GENERAL_FLAGS) -std=c99
 AM_CPPFLAGS = $(GENERAL_FLAGS)
 AM_LDFLAGS = -lpthread -ldl

+gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
+
 # Target list.
 toolexeclib_LTLIBRARIES = libcilkrts.la
 libcilkrts_la_SOURCES = \