diff options
| author | Bill Hoffman <bill.hoffman@kitware.com> | 2002-10-22 22:17:07 (GMT) |
|---|---|---|
| committer | Bill Hoffman <bill.hoffman@kitware.com> | 2002-10-22 22:17:07 (GMT) |
| commit | da460f9008f5a949f663e749455e15fb5959d803 (patch) | |
| tree | b4e9e7f1df292d53b2c8ab8274d87510fe5a6f64 /Modules/CMakeDetermineCCompiler.cmake | |
| parent | 0692323fe0f0bbbb5ba325e21d0f155717436f84 (diff) | |
| download | CMake-da460f9008f5a949f663e749455e15fb5959d803.zip CMake-da460f9008f5a949f663e749455e15fb5959d803.tar.gz CMake-da460f9008f5a949f663e749455e15fb5959d803.tar.bz2 | |
test for gnu compiler
Diffstat (limited to 'Modules/CMakeDetermineCCompiler.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCCompiler.cmake | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/Modules/CMakeDetermineCCompiler.cmake b/Modules/CMakeDetermineCCompiler.cmake index c1fc85c..1035f1b 100644 --- a/Modules/CMakeDetermineCCompiler.cmake +++ b/Modules/CMakeDetermineCCompiler.cmake @@ -4,8 +4,12 @@ FIND_PROGRAM(CMAKE_C_COMPILER NAMES $ENV{CC} gcc cc cl bcc PATHS /bin /usr/bin /usr/local/bin ) +# test to see if the c compiler is gnu +EXEC_PROGRAM(${CMAKE_C_COMPILER} ARGS -E ${CMAKE_ROOT}/Modules/CMakeTestGNU.c OUTPUT_VARIABLE CMAKE_COMPILER_OUTPUT RETURN_VALUE CMAKE_COMPILER_RETURN) + +IF(NOT CMAKE_COMPILER_RETURN) + IF(${CMAKE_COMPILER_OUTPUT} MATCHES ".*THIS_IS_GNU.*" ) + SET(CMAKE_COMPILER_IS_GNUGCC 1) + ENDIF(${CMAKE_COMPILER_OUTPUT} MATCHES ".*THIS_IS_GNU.*" ) +ENDIF(NOT CMAKE_COMPILER_RETURN) -# to check for is gnu we need to compile this: -# #ifdef __GNUC__ -# yes; -# #endif |