Commit 871f7cf2 authored by Bill Hoffman's avatar Bill Hoffman

ENH: fix up compiler id to be more robust

parent 0c713090
......@@ -47,5 +47,5 @@ static char const info_compiler[] = "INFO:compiler["
/* Make sure the information strings are referenced. */
int main()
{
return ((int)&info_compiler) + ((int)&info_platform);
return (&info_compiler[0] != &info_platform[0]);
}
......@@ -48,9 +48,5 @@ static char const info_compiler[] = "INFO:compiler["
/* Make sure the information strings are referenced. */
int main()
{
if(&info_compiler[0] != &info_platform[0])
{
return 1;
}
return 0;
return (&info_compiler[0] != &info_platform[0]);
}
......@@ -53,6 +53,10 @@ MACRO(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
"${CMAKE_${lang}_COMPILER_ID_SRC}\" failed with the following output:\n"
"${CMAKE_${lang}_COMPILER_ID_RESULT}\n"
"${CMAKE_${lang}_COMPILER_ID_OUTPUT}\n\n")
MESSAGE(FATAL_ERROR "Compiling the ${lang} compiler identification source file \""
"${CMAKE_${lang}_COMPILER_ID_SRC}\" failed with the following output:\n"
"${CMAKE_${lang}_COMPILER_ID_RESULT}\n"
"${CMAKE_${lang}_COMPILER_ID_OUTPUT}\n\n")
ELSE(CMAKE_${lang}_COMPILER_ID_RESULT)
# Compilation succeeded.
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
......@@ -110,5 +114,12 @@ MACRO(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
"${CMAKE_${lang}_COMPILER_ID_DIR} "
"with a name known to CMake.\n\n")
ENDIF(CMAKE_${lang}_COMPILER_ID_EXE)
IF(CMAKE_${lang}_COMPILER_ID)
MESSAGE(STATUS "The ${lang} compiler identification is "
"${CMAKE_${lang}_COMPILER_ID}")
ELSE(CMAKE_${lang}_COMPILER_ID)
MESSAGE(STATUS "The ${lang} compiler identification is unknown")
ENDIF(CMAKE_${lang}_COMPILER_ID)
ENDIF(CMAKE_${lang}_COMPILER_ID_RESULT)
ENDMACRO(CMAKE_DETERMINE_COMPILER_ID)
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