fix gcc6 visibility support detection (review#128697)

kdelibs.spec

@@ -51,7 +51,7 @@ Summary: KDE Libraries
 # shipped with kde applications, version...
 %global apps_version 16.08.0
 Version: 4.14.23
-Release: 1%{?dist}
+Release: 2%{?dist}
 
 Name: kdelibs
 Epoch: 6
@@ -198,6 +198,8 @@ Patch67: kdelibs-4.14.17-gcc6_narrowing_hack.patch
 
 ## upstream
 # 4.14 branch
+# fix visibility support, https://git.reviewboard.kde.org/r/128697
+Patch100: rb128697.patch
 
 ## security fix
 
@@ -865,6 +867,9 @@ update-mime-database %{?fedora:-n} %{_datadir}/mime &> /dev/null || :
 
 
 %changelog
+* Tue Aug 16 2016 Rex Dieter <rdieter@fedoraproject.org> - 6:4.14.23-2
+- fix gcc6 visibility support detection (review#128697)
+
 * Fri Aug 12 2016 Rex Dieter <rdieter@fedoraproject.org> - 6:4.14.23-1
 - 4.14.23 (kde-apps-16.08.0)
 

rb128697.patch

@@ -0,0 +1,13 @@
+diff --git a/cmake/modules/FindKDE4Internal.cmake b/cmake/modules/FindKDE4Internal.cmake
+index 7d54b9b83b999f6a6e8541f8e8b89e0b2a105703..c345eca36f4255c03e88a31c53cf2a2efd0e2c42 100644
+--- a/cmake/modules/FindKDE4Internal.cmake
++++ b/cmake/modules/FindKDE4Internal.cmake
+@@ -1221,7 +1221,7 @@ if (CMAKE_COMPILER_IS_GNUCXX)
+    # get the gcc version
+    exec_program(${CMAKE_C_COMPILER} ARGS ${CMAKE_C_COMPILER_ARG1} --version OUTPUT_VARIABLE _gcc_version_info)
+ 
+-   string (REGEX MATCH "[345]\\.[0-9]\\.[0-9]" _gcc_version "${_gcc_version_info}")
++   string (REGEX MATCH "[3-9]\\.[0-9]\\.[0-9]" _gcc_version "${_gcc_version_info}")
+    # gcc on mac just reports: "gcc (GCC) 3.3 20030304 ..." without the patch level, handle this here:
+    if (NOT _gcc_version)
+       string (REGEX MATCH ".*\\(GCC\\).* ([34]\\.[0-9]) .*" "\\1.0" _gcc_version "${gcc_on_macos}")