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-rw-r--r--Modules/CMakeDetermineCCompiler.cmake14
1 files changed, 9 insertions, 5 deletions
diff --git a/Modules/CMakeDetermineCCompiler.cmake b/Modules/CMakeDetermineCCompiler.cmake
index 1432fff..aac39a8 100644
--- a/Modules/CMakeDetermineCCompiler.cmake
+++ b/Modules/CMakeDetermineCCompiler.cmake
@@ -5,11 +5,15 @@
# the cmake variable CMAKE_GENERATOR_CC which can be defined by a generator
# as a default compiler
-FIND_PROGRAM(CMAKE_C_COMPILER_FULLPATH NAMES $ENV{CC} ${CMAKE_GENERATOR_CC} gcc cc cl bcc )
-GET_FILENAME_COMPONENT(CMAKE_C_COMPILER ${CMAKE_C_COMPILER_FULLPATH} NAME_WE)
-# set this to notfound right after so that it is searched for each time this
-# file is included
-SET(CMAKE_C_COMPILER_FULLPATH NOTFOUND CACHE INTERNAL "full path to c compiler" FORCE)
+IF(NOT CMAKE_C_COMPILER)
+ FIND_PROGRAM(CMAKE_C_COMPILER_FULLPATH NAMES $ENV{CC} ${CMAKE_GENERATOR_CC} gcc cc cl bcc )
+ GET_FILENAME_COMPONENT(CMAKE_C_COMPILER ${CMAKE_C_COMPILER_FULLPATH} NAME_WE)
+ # set this to notfound right after so that it is searched for each time this
+ # file is included
+ SET(CMAKE_C_COMPILER_FULLPATH NOTFOUND CACHE INTERNAL "full path to c compiler" FORCE)
+ SET(CMAKE_C_COMPILER ${CMAKE_C_COMPILER} CACHE STRING "C++ compiler")
+ENDIF(NOT CMAKE_C_COMPILER)
+MARK_AS_ADVANCED(CMAKE_C_COMPILER)
FIND_PROGRAM(CMAKE_AR NAMES ar PATHS /bin /usr/bin /usr/local/bin)
FIND_PROGRAM(CMAKE_RANLIB NAMES ranlib PATHS /bin /usr/bin /usr/local/bin)