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ENH: When detecting the compiler id try compiling only to an object file.

This commit is contained in:
Brad King 2008-02-11 17:00:54 -05:00
parent 3fdf141197
commit a75079d9e0
3 changed files with 19 additions and 0 deletions
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8
Modules/CMakeDetermineCCompiler.cmake
View File

@ -112,6 +112,14 @@ ENDIF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
IF(NOT CMAKE_C_COMPILER_ID_RUN)
SET(CMAKE_C_COMPILER_ID_RUN 1)
# Each entry in this list is a set of extra flags to try
# adding to the compile line to see if it helps produce
# a valid identification file.
SET(CMAKE_C_COMPILER_ID_TEST_FLAGS
# Try compiling to an object file only.
"-c"
)
# Try to identify the compiler.
SET(CMAKE_C_COMPILER_ID)
INCLUDE(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake)

8
Modules/CMakeDetermineCXXCompiler.cmake
View File

@ -122,6 +122,14 @@ ENDIF(${CMAKE_GENERATOR} MATCHES "Visual Studio")
IF(NOT CMAKE_CXX_COMPILER_ID_RUN)
SET(CMAKE_CXX_COMPILER_ID_RUN 1)
# Each entry in this list is a set of extra flags to try
# adding to the compile line to see if it helps produce
# a valid identification file.
SET(CMAKE_CXX_COMPILER_ID_TEST_FLAGS
# Try compiling to an object file only.
"-c"
)
# Try to identify the compiler.
SET(CMAKE_CXX_COMPILER_ID)
INCLUDE(${CMAKE_ROOT}/Modules/CMakeDetermineCompilerId.cmake)

3
Modules/CMakeDetermineFortranCompiler.cmake
View File

@ -84,6 +84,9 @@ IF(NOT CMAKE_Fortran_COMPILER_ID_RUN)
# adding to the compile line to see if it helps produce
# a valid identification executable.
SET(CMAKE_Fortran_COMPILER_ID_TEST_FLAGS
# Try compiling to an object file only.
"-c"
# Intel on windows does not preprocess by default.
"-fpp"
)