For CI - remove old hacks in the build scripts.

.bash_helpers.sh

@@ -98,8 +98,6 @@ post_cmake() {
         fi
     elif [ -e "$BUILD"/*.xcodeproj/project.pbxproj ] && perl -v >/dev/null 2>&1; then
         echo -- post_cmake: Fix generated Xcode project
-        # Temporary workaround to fix file references being added into multiple groups warnings (CMake bug https://www.cmake.org/Bug/view.php?id=15272, stil exists in 3.1)
-        perl -i -pe 'BEGIN {$/=undef} s/(Begin PBXGroup section.*?\/\* Sources \*\/,).*?,/\1/s' "$BUILD"/*.xcodeproj/project.pbxproj
         # Speed up build for Debug build configuration by building only active arch (currently this is not doable via CMake generator-expression as it only works for individual target instead of global)
         perl -i -pe 'BEGIN {$/=undef} s/(Debug \*\/ = {[^}]+?)SDKROOT/\1ONLY_ACTIVE_ARCH = YES; SDKROOT/s' "$BUILD"/*.xcodeproj/project.pbxproj
         # Speed up build for Debug build configuration by skipping dSYM file generation

CMake/Modules/UrhoCommon.cmake

@@ -695,14 +695,8 @@ else ()
                     set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mstackrealign")
                     set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mstackrealign")
                 else ()
-                    if (DEFINED ENV{TRAVIS})
-                        # TODO: Remove this workaround when Travis CI VM has been migrated to Ubuntu 14.04 LTS
-                        set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -fno-tree-slp-vectorize -fno-tree-vectorize")
-                        set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-tree-slp-vectorize -fno-tree-vectorize")
-                    else ()
-                        set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -fno-tree-loop-vectorize -fno-tree-slp-vectorize -fno-tree-vectorize")
-                        set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-tree-loop-vectorize -fno-tree-slp-vectorize -fno-tree-vectorize")
-                    endif ()
+                    set (CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -fno-tree-loop-vectorize -fno-tree-slp-vectorize -fno-tree-vectorize")
+                    set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -fno-tree-loop-vectorize -fno-tree-slp-vectorize -fno-tree-vectorize")
                 endif ()
             endif ()
         else ()
@@ -722,11 +716,6 @@ else ()
             set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fcolor-diagnostics")
             set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fcolor-diagnostics")
         endif ()
-        # Temporary workaround for Travis CI VM as Ubuntu 12.04 LTS still uses old glibc header files that do not have the necessary patch for Clang to work correctly
-        # TODO: Remove this workaround when Travis CI VM has been migrated to Ubuntu 14.04 LTS
-        if (DEFINED ENV{TRAVIS} AND "$ENV{LINUX}")
-            add_definitions (-D__extern_always_inline=inline)
-        endif ()
     else ()
         # GCC-specific
         if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.9.1)