ENH: Grouping the logic that detects getopt.c into a single .cmake file.

Multiple directories were repeating this configuration independently.
The directory jp3d is expected to be self-suficient so it still does
the configuration directly.

5 files changed, 19 insertions, 35 deletions

diff --git a/CMake/CheckHaveGetopt.cmake b/CMake/CheckHaveGetopt.cmake
new file mode 100644
index 00000000..c0fd5dcf
--- /dev/null
+++ b/CMake/CheckHaveGetopt.cmake
@@ -0,0 +1,15 @@
+# Check if getopt is present:
+INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
+SET(DONT_HAVE_GETOPT 1)
+IF(UNIX) #I am pretty sure only *nix sys have this anyway
+  CHECK_INCLUDE_FILE("getopt.h" CMAKE_HAVE_GETOPT_H)
+  # Seems like we need the contrary:
+  IF(CMAKE_HAVE_GETOPT_H)
+    SET(DONT_HAVE_GETOPT 0)
+  ENDIF(CMAKE_HAVE_GETOPT_H)
+ENDIF(UNIX)
+
+IF(DONT_HAVE_GETOPT)
+  ADD_DEFINITIONS(-DDONT_HAVE_GETOPT)
+ENDIF(DONT_HAVE_GETOPT)
+
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ee7305a5..14ec7ea2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -108,6 +108,10 @@ ENDIF(NOT OPENJPEG_INSTALL_PACKAGE_DIR)
 INCLUDE (${CMAKE_ROOT}/Modules/CMakeBackwardCompatibilityC.cmake)
 
 #-----------------------------------------------------------------------------
+# Test for getopt being available in this system
+INCLUDE (${PROJECT_SOURCE_DIR}/CMake/CheckHaveGetopt.cmake )
+
+#-----------------------------------------------------------------------------
 # Setup file for setting custom ctest vars
 CONFIGURE_FILE(
   ${CMAKE_CURRENT_SOURCE_DIR}/CMake/CTestCustom.cmake.in
diff --git a/JavaOpenJPEG/CMakeLists.txt b/JavaOpenJPEG/CMakeLists.txt
index 24058463..c115e4aa 100644
--- a/JavaOpenJPEG/CMakeLists.txt
+++ b/JavaOpenJPEG/CMakeLists.txt
@@ -4,20 +4,9 @@
 SET(common_SRCS
   convert.c
   )
-# Then check if getopt is present:
-INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
-SET(DONT_HAVE_GETOPT 1)
-IF(UNIX) #I am pretty sure only *nix sys have this anyway
-  CHECK_INCLUDE_FILE("getopt.h" CMAKE_HAVE_GETOPT_H)
-  # Seems like we need the contrary:
-  IF(CMAKE_HAVE_GETOPT_H)
-    SET(DONT_HAVE_GETOPT 0)
-  ENDIF(CMAKE_HAVE_GETOPT_H)
-ENDIF(UNIX)
 
 # If not getopt was found then add it to the lib:
 IF(DONT_HAVE_GETOPT)
-  ADD_DEFINITIONS(-DDONT_HAVE_GETOPT)
   SET(common_SRCS
     ${common_SRCS}
     compat/getopt.c
diff --git a/codec/CMakeLists.txt b/codec/CMakeLists.txt
index 2c0d6184..da2cb630 100644
--- a/codec/CMakeLists.txt
+++ b/codec/CMakeLists.txt
@@ -6,20 +6,8 @@ SET(common_SRCS
   index.c
 )
 
-# Then check if getopt is present:
-INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
-SET(DONT_HAVE_GETOPT 1)
-IF(UNIX) #I am pretty sure only *nix sys have this anyway
-  CHECK_INCLUDE_FILE("getopt.h" CMAKE_HAVE_GETOPT_H)
-  # Seems like we need the contrary:
-  IF(CMAKE_HAVE_GETOPT_H)
-    SET(DONT_HAVE_GETOPT 0)
-  ENDIF(CMAKE_HAVE_GETOPT_H)
-ENDIF(UNIX)
-
 # If not getopt was found then add it to the lib:
 IF(DONT_HAVE_GETOPT)
-  ADD_DEFINITIONS(-DDONT_HAVE_GETOPT)
   SET(common_SRCS
     ${common_SRCS}
     compat/getopt.c
diff --git a/jpwl/CMakeLists.txt b/jpwl/CMakeLists.txt
index a24210f0..7063229b 100755
--- a/jpwl/CMakeLists.txt
+++ b/jpwl/CMakeLists.txt
@@ -24,20 +24,8 @@ SET(OPJ_SRCS
 )
 SET(JPWL_SRCS crc.c jpwl.c jpwl_lib.c rs.c)
 
-# Then check if getopt is present:
-INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
-SET(DONT_HAVE_GETOPT 1)
-IF(UNIX) #I am pretty sure only *nix sys have this anyway
-  CHECK_INCLUDE_FILE("getopt.h" CMAKE_HAVE_GETOPT_H)
-  # Seems like we need the contrary:
-  IF(CMAKE_HAVE_GETOPT_H)
-    SET(DONT_HAVE_GETOPT 0)
-  ENDIF(CMAKE_HAVE_GETOPT_H)
-ENDIF(UNIX)
-
 # If not getopt was found then add it to the lib:
 IF(DONT_HAVE_GETOPT)
-  ADD_DEFINITIONS(-DDONT_HAVE_GETOPT)
   SET(OPJ_SRCS
     ${OPJ_SRCS}
     ../codec/compat/getopt.c