summaryrefslogtreecommitdiffstats
path: root/Modules/Compiler
diff options
context:
space:
mode:
authorCristian Adam <cristian.adam@gmail.com>2019-07-13 10:07:30 (GMT)
committerBrad King <brad.king@kitware.com>2019-08-28 15:47:40 (GMT)
commitb8626261e95e0f99c9227d619671822f9a60ef1a (patch)
treebb3b915854ac4ff9b01515642521b2940b02ec38 /Modules/Compiler
parent375d01c6808713a0cfeef9ea092c8236ba063525 (diff)
downloadCMake-b8626261e95e0f99c9227d619671822f9a60ef1a.zip
CMake-b8626261e95e0f99c9227d619671822f9a60ef1a.tar.gz
CMake-b8626261e95e0f99c9227d619671822f9a60ef1a.tar.bz2
Precompile headers: Add methods to generate PCH sources
Co-Author: Daniel Pfeifer <daniel@pfeifer-mail.de>
Diffstat (limited to 'Modules/Compiler')
-rw-r--r--Modules/Compiler/Clang.cmake2
-rw-r--r--Modules/Compiler/GNU.cmake8
-rw-r--r--Modules/Compiler/Intel.cmake7
3 files changed, 17 insertions, 0 deletions
diff --git a/Modules/Compiler/Clang.cmake b/Modules/Compiler/Clang.cmake
index c3f13f3..45c33fb 100644
--- a/Modules/Compiler/Clang.cmake
+++ b/Modules/Compiler/Clang.cmake
@@ -96,5 +96,7 @@ else()
set(CMAKE_${lang}_ARCHIVE_FINISH_IPO
"\"${__ranlib}\" <TARGET>"
)
+
+ set(CMAKE_PCH_PROLOGUE "#pragma clang system_header")
endmacro()
endif()
diff --git a/Modules/Compiler/GNU.cmake b/Modules/Compiler/GNU.cmake
index 6b1bd3a..e0ff174 100644
--- a/Modules/Compiler/GNU.cmake
+++ b/Modules/Compiler/GNU.cmake
@@ -11,6 +11,9 @@ set(__COMPILER_GNU 1)
include(Compiler/CMakeCommonCompilerMacros)
include(Internal/CMakeCheckCompilerFlag)
+set(__pch_header_C "c-header")
+set(__pch_header_CXX "c++-header")
+
macro(__compiler_gnu lang)
# Feature flags.
set(CMAKE_${lang}_VERBOSE_FLAG "-v")
@@ -104,4 +107,9 @@ macro(__compiler_gnu lang)
unset(_COMPILER_ARGS)
endif()
list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-dM" "-E" "-c" "${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp")
+
+ set(CMAKE_PCH_EXTENSION .gch)
+ set(CMAKE_PCH_PROLOGUE "#pragma GCC system_header")
+ set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -Winvalid-pch -include <PCH_HEADER>)
+ set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -Winvalid-pch -x ${__pch_header_${lang}} -include <PCH_HEADER>)
endmacro()
diff --git a/Modules/Compiler/Intel.cmake b/Modules/Compiler/Intel.cmake
index f2f16e0..d895ed0 100644
--- a/Modules/Compiler/Intel.cmake
+++ b/Modules/Compiler/Intel.cmake
@@ -32,5 +32,12 @@ else()
unset(_COMPILER_ARGS)
endif()
list(APPEND CMAKE_${lang}_COMPILER_PREDEFINES_COMMAND "-QdM" "-P" "-Za" "${CMAKE_ROOT}/Modules/CMakeCXXCompilerABI.cpp")
+
+ # Precompile Headers
+ set(CMAKE_PCH_EXTENSION .pchi)
+ set(CMAKE_LINK_PCH ON)
+ set(CMAKE_PCH_EPILOGUE "#pragma hdrstop")
+ set(CMAKE_${lang}_COMPILE_OPTIONS_USE_PCH -Winvalid-pch -Wno-pch-messages -pch-use <PCH_FILE> -include <PCH_HEADER>)
+ set(CMAKE_${lang}_COMPILE_OPTIONS_CREATE_PCH -Winvalid-pch -Wno-pch-messages -pch-create <PCH_FILE> -include <PCH_HEADER>)
endmacro()
endif()