Make manpage generation optional for casual builders.

git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/branches/wsjtx@4056 ab8295b8-cf94-4d9e-aec4-7959e3be5d79

CMakeLists.txt

@@ -57,7 +57,7 @@ option (WSJT_TRACE_CAT_POLLS "Debugging option that turns on CAT diagnostics dur
 option (WSJT_HAMLIB_TRACE "Debugging option that turns on full Hamlib internal diagnostics.")
 option (WSJT_STANDARD_FILE_LOCATIONS "All non-installation files located in \"Standard\" platfom specific locations." ON)
 option (WSJT_SOFT_KEYING "Apply a ramp to CW keying envelope to reduce transients." ON)
-
+option (WSJT_SKIP_MANPAGES "Skip *nix manpage generation")
 
 #
 # install locations
@@ -623,7 +623,9 @@ add_executable (wsjtx WIN32 MACOSX_BUNDLE
 qt5_use_modules (wsjtx Widgets OpenGL Network Multimedia)
 
 if (UNIX)
-  add_subdirectory (manpages)
+  if (NOT WSJT_SKIP_MANPAGES)
+    add_subdirectory (manpages)
+  endif (NOT WSJT_SKIP_MANPAGES)
   if (NOT APPLE)
     add_subdirectory (debian)
   endif (NOT APPLE)

debian/CMakeLists.txt

@@ -19,7 +19,7 @@ configure_file (
   @ONLY)
 
 add_custom_target (debian
-  COMMAND ${GZIP_EXECUTABLE} -9 --force changelog
+  COMMAND ${GZIP_EXECUTABLE} -cf9 changelog > changelog.gz
   DEPENDS changelog.in
   WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
   COMMENT "Compressing Debian changelog"

manpages/CMakeLists.txt

@@ -5,7 +5,16 @@ set (ASCIIDOC_MANS
 find_program (A2X_EXECUTABLE NAMES a2x a2x.py)
 if (NOT A2X_EXECUTABLE)
   if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
-    message (SEND_ERROR "Failed to find a2x which is required for release builds on *nix platforms.")
+    message (SEND_ERROR "
+Failed to find a2x which is an optional requirement for non-debug
+builds on *nix platforms.
+
+You can choose to skip manpage generation and this error by setting
+the CMake option WSJT_SKIP_MANPAGES to ON. This option is designed for
+those that are building for their own use, packages should not opt to
+skip manpage generation since package building requires the
+manpages.")
+
   else (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
     message (WARNING "Failed to find a2x skipping manpage generation.")
   endif (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")