Commit ed298c8eac390ddd9c24381e32359f813a996dce
2018-02-02T18:01:51
cmake: move nanosecond detection to a module Move the nanosecond detection in time structures to its own module.
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diff --git a/CMakeLists.txt b/CMakeLists.txt
index a2a8a74..dca5807 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,6 +31,7 @@ INCLUDE(CheckStructHasMember)
INCLUDE(AddCFlagIfSupported)
INCLUDE(FindPkgConfig)
INCLUDE(FindThreads)
+INCLUDE(FindStatNsec)
INCLUDE(FeatureSummary)
# Build options
@@ -94,27 +95,6 @@ IF(MSVC)
OPTION(MSVC_CRTDBG "Enable CRTDBG memory leak reporting" OFF)
ENDIF()
-CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtim "sys/types.h;sys/stat.h"
- HAVE_STRUCT_STAT_ST_MTIM LANGUAGE C)
-CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtimespec "sys/types.h;sys/stat.h"
- HAVE_STRUCT_STAT_ST_MTIMESPEC LANGUAGE C)
-CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_nsec sys/stat.h
- HAVE_STRUCT_STAT_MTIME_NSEC LANGUAGE C)
-
-IF (HAVE_STRUCT_STAT_ST_MTIM)
- CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec sys/stat.h
- HAVE_STRUCT_STAT_NSEC LANGUAGE C)
-ELSEIF (HAVE_STRUCT_STAT_ST_MTIMESPEC)
- CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec sys/stat.h
- HAVE_STRUCT_STAT_NSEC LANGUAGE C)
-ELSE ()
- SET( HAVE_STRUCT_STAT_NSEC ON )
-ENDIF()
-
-IF (HAVE_STRUCT_STAT_NSEC OR WIN32)
- OPTION( USE_NSEC "Care about sub-second file mtimes and ctimes" ON )
-ENDIF()
-
# This function splits the sources files up into their appropriate
# subdirectories. This is especially useful for IDEs like Xcode and
# Visual Studio, so that you can navigate into the libgit2_clar project,
diff --git a/cmake/Modules/FindStatNsec.cmake b/cmake/Modules/FindStatNsec.cmake
new file mode 100644
index 0000000..fa550a2
--- /dev/null
+++ b/cmake/Modules/FindStatNsec.cmake
@@ -0,0 +1,20 @@
+CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtim "sys/types.h;sys/stat.h"
+ HAVE_STRUCT_STAT_ST_MTIM LANGUAGE C)
+CHECK_STRUCT_HAS_MEMBER ("struct stat" st_mtimespec "sys/types.h;sys/stat.h"
+ HAVE_STRUCT_STAT_ST_MTIMESPEC LANGUAGE C)
+CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtime_nsec sys/stat.h
+ HAVE_STRUCT_STAT_MTIME_NSEC LANGUAGE C)
+
+IF (HAVE_STRUCT_STAT_ST_MTIM)
+ CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtim.tv_nsec sys/stat.h
+ HAVE_STRUCT_STAT_NSEC LANGUAGE C)
+ELSEIF (HAVE_STRUCT_STAT_ST_MTIMESPEC)
+ CHECK_STRUCT_HAS_MEMBER("struct stat" st_mtimespec.tv_nsec sys/stat.h
+ HAVE_STRUCT_STAT_NSEC LANGUAGE C)
+ELSE ()
+ SET( HAVE_STRUCT_STAT_NSEC ON )
+ENDIF()
+
+IF (HAVE_STRUCT_STAT_NSEC OR WIN32)
+ OPTION( USE_NSEC "Care about sub-second file mtimes and ctimes" ON )
+ENDIF()