Initial commit of Effcee

1 files changed, 62 insertions, 0 deletions

diff --git a/cmake/utils.cmake b/cmake/utils.cmake
new file mode 100644
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--- /dev/null
+++ b/cmake/utils.cmake
@@ -0,0 +1,62 @@
+# Copyright 2017 The Effcee Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Utility functions
+
+function(effcee_default_c_compile_options TARGET)
+  if (NOT "${MSVC}")
+    target_compile_options(${TARGET} PRIVATE -Wall -Werror)
+    if (UNIX)
+      target_compile_options(${TARGET} PUBLIC -pthread)
+    endif(UNIX)
+    if (ENABLE_CODE_COVERAGE)
+      # The --coverage option is a synonym for -fprofile-arcs -ftest-coverage
+      # when compiling.
+      target_compile_options(${TARGET} PRIVATE -g -O0 --coverage)
+      # The --coverage option is a synonym for -lgcov when linking for gcc.
+      # For clang, it links in a different library, libclang_rt.profile, which
+      # requires clang to be built with compiler-rt.
+      target_link_libraries(${TARGET} PRIVATE --coverage)
+    endif()
+    if (NOT EFFCEE_ENABLE_SHARED_CRT)
+      if (WIN32)
+        # For MinGW cross compile, statically link to the libgcc runtime.
+        # But it still depends on MSVCRT.dll.
+        set_target_properties(${TARGET} PROPERTIES
+          LINK_FLAGS "-static -static-libgcc")
+      endif(WIN32)
+    endif(NOT EFFCEE_ENABLE_SHARED_CRT)
+    target_link_libraries(${TARGET} PUBLIC ${CMAKE_THREAD_LIBS_INIT})
+  else()
+    # disable warning C4800: 'int' : forcing value to bool 'true' or 'false'
+    # (performance warning)
+    target_compile_options(${TARGET} PRIVATE /wd4800)
+  endif()
+endfunction(effcee_default_c_compile_options)
+
+function(effcee_default_compile_options TARGET)
+  effcee_default_c_compile_options(${TARGET})
+  if (NOT "${MSVC}")
+    # RE2's public header requires C++11.  So publicly required C++11
+    target_compile_options(${TARGET} PUBLIC -std=c++11)
+    if (NOT EFFCEE_ENABLE_SHARED_CRT)
+      if (WIN32)
+        # For MinGW cross compile, statically link to the C++ runtime.
+        # But it still depends on MSVCRT.dll.
+        set_target_properties(${TARGET} PROPERTIES
+          LINK_FLAGS "-static -static-libgcc -static-libstdc++")
+      endif(WIN32)
+    endif(NOT EFFCEE_ENABLE_SHARED_CRT)
+  endif()
+endfunction(effcee_default_compile_options)