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Merge pull request #414 from TsudaKageyu/fix-floattest

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Fixed some mistakes in the CMake module for float types.
This commit is contained in:
Lukáš Lalinský 2014-08-07 00:36:59 +02:00
commit 0f605be198
2 changed files with 9 additions and 4 deletions
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8
cmake/TestFloatFormat.c
View File

@ -1,5 +1,7 @@
int main()
int main(int argc, char **argv)
{
int ret = 0;
double bin1[] = {
// "*TAGLIB*" encoded as a little-endian floating-point number
(double)3.9865557444897601e-105, (double)0.0
@ -8,6 +10,8 @@ int main()
// "*TL*" encoded as a little-endian floating-point number
(float)1.81480400e-013, (float)0.0
};
ret += ((int*)bin1)[argc];
ret += ((int*)bin2)[argc];
return 0;
return ret;
}

5
cmake/modules/TestFloatFormat.cmake
View File

@ -2,12 +2,13 @@
MACRO(TEST_FLOAT_FORMAT FP_IEEE754)
IF(NOT FP_IEEE754)
TRY_COMPILE(HAVE_${FP_IEEE754} "${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestFloatFormat.c"
TRY_COMPILE(HAVE_FLOAT_FORMAT_BIN
"${CMAKE_BINARY_DIR}" "${CMAKE_SOURCE_DIR}/cmake/TestFloatFormat.c"
COPY_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TestFloatFormat.bin")
SET(FP_IEEE754 0)
IF(HAVE_${FP_IEEE754})
IF(HAVE_FLOAT_FORMAT_BIN)
# dont match first/last letter because of string rounding errors :-)
FILE(STRINGS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/TestFloatFormat.bin"