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authorJohn Szakmeister <john@szakmeister.net>2014-06-27 06:58:46 -0400
committerJohn Szakmeister <john@szakmeister.net>2014-06-27 06:58:46 -0400
commit8a85b37253ccb3aa9e127a53f5a0c0ee80cd65d7 (patch)
tree49faea9322092fae26cf3df127be16a0b3c214f9
parentb083c0346234bf5c564a3036d568607fc66da045 (diff)
parent3b3811b16537c302f2218069dfce9611e15e3bd5 (diff)
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Merge #887 'Fix #867: cmake doesn't issue `-isystem` for versioned gcc'
-rw-r--r--CMakeLists.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3235d0e942..6ad0af4cea 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,6 +18,17 @@ set(NEOVIM_VERSION_PATCH 0)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+# Work around some old, broken detection by CMake for knowing when to use the
+# isystem flag. Apple's compilers have supported this for quite some time now.
+if(APPLE)
+ if(CMAKE_COMPILER_IS_GNUCC)
+ set(CMAKE_INCLUDE_SYSTEM_FLAG_C "-isystem ")
+ endif()
+ if(CMAKE_COMPILER_IS_GNUCXX)
+ set(CMAKE_INCLUDE_SYSTEM_FLAG_CXX "-isystem ")
+ endif()
+endif()
+
add_definitions(-Wall -Wextra -pedantic -Wno-unused-parameter -std=gnu99)
option(