build: Refactor CMake modules

This moves the CMake build logic out of the source tree and splits it
up into a more modular form. The tests now have a CMakeLists.txt file
in their respective source directory.

Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>

1 files changed, 64 insertions, 0 deletions

diff --git a/cmake/doc.cmake b/cmake/doc.cmake
new file mode 100644
index 00000000..16991f82
--- /dev/null
+++ b/cmake/doc.cmake
@@ -0,0 +1,64 @@
+set(DOC_SOURCE_DIR "${CMAKE_SOURCE_DIR}/doc")
+set(DOC_BINARY_DIR "${CMAKE_BINARY_DIR}/doc")
+
+set(MAN_NAMES
+  # Add man page sources here
+  flow_accept.3
+  flow_alloc.3
+  flow_dealloc.3
+  flow_read.3
+  flow_write.3
+  fccntl.3
+  fqueue.3
+  fqueue_create.3
+  fqueue_destroy.3
+  fqueue_next.3
+  fevent.3
+  fset.3
+  fset_create.3
+  fset_destroy.3
+  fset_zero.3
+  fset_add.3
+  fset_del.3
+  fset_has.3
+  ouroboros-glossary.7
+  ouroboros-tutorial.7
+  ouroboros.8
+  irmd.8
+  irm.8
+  )
+
+macro(INSTALL_MAN __mans)
+  foreach (_man ${ARGV})
+    string(REGEX REPLACE "^.+[.]([1-9]).gz" "\\1" _mansect ${_man})
+    install(FILES ${_man} DESTINATION "${CMAKE_INSTALL_MANDIR}/man${_mansect}")
+  endforeach (_man)
+endmacro(INSTALL_MAN __mans)
+
+find_program(GZIP_EXECUTABLE
+  NAMES gzip
+  DOC "Will gzip the man pages")
+
+mark_as_advanced(GZIP_EXECUTABLE)
+
+if (GZIP_EXECUTABLE)
+  # Create the doc output directory
+  file(MAKE_DIRECTORY ${DOC_BINARY_DIR})
+
+  foreach (m ${MAN_NAMES})
+    set(md ${DOC_BINARY_DIR}/${m}.gz)
+
+    add_custom_command(
+      OUTPUT ${md}
+      COMMAND ${GZIP_EXECUTABLE}
+      ARGS -c ${DOC_SOURCE_DIR}/man/${m} > ${md}
+      COMMENT "Compressing manpage ${m}"
+      VERBATIM)
+
+    set(MAN_FILES ${MAN_FILES} ${md})
+  endforeach ()
+
+  add_custom_target(man ALL DEPENDS ${MAN_FILES})
+
+  INSTALL_MAN(${MAN_FILES})
+endif ()