Commit 08f32085ab31643c1e26f8401bba91582aed770f
2013-03-16T17:38:27
Adds an option to select the CRT link mode ( static or dynamic ). This is useful when linking libgit2 statically, as the setting must match the linking program's one.
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diff --git a/CMakeLists.txt b/CMakeLists.txt
index 37a5830..1ab254f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,6 +35,10 @@ IF(MSVC)
# - Turn this off by invoking CMake with the "-DSTDCALL=Off" argument.
#
OPTION( STDCALL "Build libgit2 with the __stdcall convention" ON )
+
+ # This option must match the settings used in your program, in particular if you
+ # are linking statically
+ OPTION( STATIC_CRT "Link the static CRT libraries" ON )
ENDIF()
# Installation paths
@@ -148,26 +152,36 @@ IF (MSVC)
SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Gz")
ENDIF ()
+ IF (STATIC_CRT)
+ SET(CRT_FLAG_DEBUG "/MTd")
+ SET(CRT_FLAG_RELEASE "/MT")
+ ELSE()
+ SET(CRT_FLAG_DEBUG "/MDd")
+ SET(CRT_FLAG_RELEASE "/MD")
+ ENDIF()
+
# /Zi - Create debugging information
# /Od - Disable optimization
# /D_DEBUG - #define _DEBUG
# /MTd - Statically link the multithreaded debug version of the CRT
+ # /MDd - Dynamically link the multithreaded debug version of the CRT
# /RTC1 - Run time checks
- SET(CMAKE_C_FLAGS_DEBUG "/Zi /Od /D_DEBUG /MTd /RTC1")
+ SET(CMAKE_C_FLAGS_DEBUG "/Zi /Od /D_DEBUG /RTC1 ${CRT_FLAG_DEBUG}")
# /DNDEBUG - Disables asserts
# /MT - Statically link the multithreaded release version of the CRT
+ # /MD - Dynamically link the multithreaded release version of the CRT
# /O2 - Optimize for speed
# /Oy - Enable frame pointer omission (FPO) (otherwise CMake will automatically turn it off)
# /GL - Link time code generation (whole program optimization)
# /Gy - Function-level linking
- SET(CMAKE_C_FLAGS_RELEASE "/DNDEBUG /MT /O2 /Oy /GL /Gy")
+ SET(CMAKE_C_FLAGS_RELEASE "/DNDEBUG /O2 /Oy /GL /Gy ${CRT_FLAG_RELEASE}")
# /Oy- - Disable frame pointer omission (FPO)
- SET(CMAKE_C_FLAGS_RELWITHDEBINFO "/DNDEBUG /Zi /MT /O2 /Oy- /GL /Gy")
+ SET(CMAKE_C_FLAGS_RELWITHDEBINFO "/DNDEBUG /Zi /O2 /Oy- /GL /Gy ${CRT_FLAG_RELEASE}")
# /O1 - Optimize for size
- SET(CMAKE_C_FLAGS_MINSIZEREL "/DNDEBUG /MT /O1 /Oy /GL /Gy")
+ SET(CMAKE_C_FLAGS_MINSIZEREL "/DNDEBUG /O1 /Oy /GL /Gy ${CRT_FLAG_RELEASE}")
# /DYNAMICBASE - Address space load randomization (ASLR)
# /NXCOMPAT - Data execution prevention (DEP)