Commit dfb25dd9 authored by Andy Cedilnik's avatar Andy Cedilnik
Browse files

Add test for big endian

parent 4045066f
int main () {
/* Are we little or big endian? From Harbison&Steele. */
union
{
long l;
char c[sizeof (long)];
} u;
u.l = 1;
exit (u.c[sizeof (long) - 1] == 1);
}
#
# Check if the system is big endian or little endian
#
# VARIABLE - variable to store the result to
#
MACRO(TEST_BIG_ENDIAN VARIABLE)
TRY_RUN(${VARIABLE} HAVE_${VARIABLE}
${PROJECT_BINARY_DIR}
${CMAKE_ROOT}/Modules/TestBigEndian.c
OUTPUT_VARIABLE OUTPUT)
IF(NOT HAVE_${VARIABLE})
WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log
"Determining the endianes of the system failed with the following output:\n${OUTPUT}\n")
ENDIF(NOT HAVE_${VARIABLE})
ENDMACRO(TEST_BIG_ENDIAN)
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment