diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/cmake_ext_mod/ConfigureChecks.cmake | 116 |
1 files changed, 57 insertions, 59 deletions
diff --git a/config/cmake_ext_mod/ConfigureChecks.cmake b/config/cmake_ext_mod/ConfigureChecks.cmake index 6a9c274..b322948 100644 --- a/config/cmake_ext_mod/ConfigureChecks.cmake +++ b/config/cmake_ext_mod/ConfigureChecks.cmake @@ -223,65 +223,63 @@ set (LINUX_LFS 0) set (HDF_EXTRA_C_FLAGS) set (HDF_EXTRA_FLAGS) if (MINGW OR NOT WINDOWS) - # Might want to check explicitly for Linux and possibly Cygwin - # instead of checking for not Solaris or Darwin. - if (NOT ${HDF_PREFIX}_HAVE_SOLARIS AND NOT ${HDF_PREFIX}_HAVE_DARWIN) - # Linux Specific flags - # This was originally defined as _POSIX_SOURCE which was updated to - # _POSIX_C_SOURCE=199506L to expose a greater amount of POSIX - # functionality so clock_gettime and CLOCK_MONOTONIC are defined - # correctly. This was later updated to 200112L so that - # posix_memalign() is visible for the direct VFD code on Linux - # systems. - # POSIX feature information can be found in the gcc manual at: - # http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html - set (HDF_EXTRA_C_FLAGS -D_POSIX_C_SOURCE=200809L) - - # Need to add this so that O_DIRECT is visible for the direct - # VFD on Linux systems. - set (HDF_EXTRA_C_FLAGS ${HDF_EXTRA_C_FLAGS} -D_GNU_SOURCE) - - option (HDF_ENABLE_LARGE_FILE "Enable support for large (64-bit) files on Linux." ON) - if (HDF_ENABLE_LARGE_FILE AND NOT DEFINED TEST_LFS_WORKS_RUN) - set (msg "Performing TEST_LFS_WORKS") - try_run (TEST_LFS_WORKS_RUN TEST_LFS_WORKS_COMPILE - ${CMAKE_BINARY_DIR} - ${HDF_RESOURCES_EXT_DIR}/HDFTests.c - COMPILE_DEFINITIONS "-DTEST_LFS_WORKS" - ) - - # The LARGEFILE definitions were from the transition period - # and are probably no longer needed. The FILE_OFFSET_BITS - # check should be generalized for all POSIX systems as it - # is in the Autotools. - if (TEST_LFS_WORKS_COMPILE) - if (TEST_LFS_WORKS_RUN MATCHES 0) - set (TEST_LFS_WORKS 1 CACHE INTERNAL ${msg}) - set (LARGEFILE 1) - set (HDF_EXTRA_FLAGS ${HDF_EXTRA_FLAGS} -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE) - if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0") - message (VERBOSE "${msg}... yes") - endif () - else () - set (TEST_LFS_WORKS "" CACHE INTERNAL ${msg}) - if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0") - message (VERBOSE "${msg}... no") - endif () - file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log - "Test TEST_LFS_WORKS Run failed with the following exit code:\n ${TEST_LFS_WORKS_RUN}\n" - ) - endif () - else () - set (TEST_LFS_WORKS "" CACHE INTERNAL ${msg}) - if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0") - message (VERBOSE "${msg}... no") - endif () - file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log - "Test TEST_LFS_WORKS Compile failed\n" - ) - endif () - endif () - set (CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} ${HDF_EXTRA_FLAGS}) + if (CMAKE_SYSTEM_NAME MATCHES "Linux") + # Linux Specific flags + # This was originally defined as _POSIX_SOURCE which was updated to + # _POSIX_C_SOURCE=199506L to expose a greater amount of POSIX + # functionality so clock_gettime and CLOCK_MONOTONIC are defined + # correctly. This was later updated to 200112L so that + # posix_memalign() is visible for the direct VFD code on Linux + # systems. + # POSIX feature information can be found in the gcc manual at: + # http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html + set (HDF_EXTRA_C_FLAGS -D_POSIX_C_SOURCE=200809L) + + # Need to add this so that O_DIRECT is visible for the direct + # VFD on Linux systems. + set (HDF_EXTRA_C_FLAGS ${HDF_EXTRA_C_FLAGS} -D_GNU_SOURCE) + + option (HDF_ENABLE_LARGE_FILE "Enable support for large (64-bit) files on Linux." ON) + if (HDF_ENABLE_LARGE_FILE AND NOT DEFINED TEST_LFS_WORKS_RUN) + set (msg "Performing TEST_LFS_WORKS") + try_run (TEST_LFS_WORKS_RUN TEST_LFS_WORKS_COMPILE + ${CMAKE_BINARY_DIR} + ${HDF_RESOURCES_EXT_DIR}/HDFTests.c + COMPILE_DEFINITIONS "-DTEST_LFS_WORKS" + ) + + # The LARGEFILE definitions were from the transition period + # and are probably no longer needed. The FILE_OFFSET_BITS + # check should be generalized for all POSIX systems as it + # is in the Autotools. + if (TEST_LFS_WORKS_COMPILE) + if (TEST_LFS_WORKS_RUN MATCHES 0) + set (TEST_LFS_WORKS 1 CACHE INTERNAL ${msg}) + set (LARGEFILE 1) + set (HDF_EXTRA_FLAGS ${HDF_EXTRA_FLAGS} -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE -D_LARGEFILE_SOURCE) + if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0") + message (VERBOSE "${msg}... yes") + endif () + else () + set (TEST_LFS_WORKS "" CACHE INTERNAL ${msg}) + if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0") + message (VERBOSE "${msg}... no") + endif () + file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Test TEST_LFS_WORKS Run failed with the following exit code:\n ${TEST_LFS_WORKS_RUN}\n" + ) + endif () + else () + set (TEST_LFS_WORKS "" CACHE INTERNAL ${msg}) + if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0") + message (VERBOSE "${msg}... no") + endif () + file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log + "Test TEST_LFS_WORKS Compile failed\n" + ) + endif () + endif () + set (CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} ${HDF_EXTRA_FLAGS}) endif () endif () |