Add a build based on CMake.

.gitignore

@@ -26,6 +26,8 @@ stamp-h1
 libtool
 tags
 
+build/
+
 config/
 !config/libotr.m4
 

CMakeLists.txt

@@ -0,0 +1,48 @@
+cmake_minimum_required(VERSION 2.8)
+project(irssi-otr C)
+set(PROJECT_VERSION "1.0.0")
+set(BUILD_SHARED_LIBS ON)
+
+# Avoid source tree pollution
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
+	message(FATAL_ERROR "In-source builds are not permitted. Make a separate folder for building:\nmkdir build; cd build; cmake ..\nBefore that, remove the files already created:\nrm -rf CMakeCache.txt CMakeFiles")
+endif(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
+
+# Add a sensible build type default and warning because empty means no optimization and no debug info.
+if(NOT CMAKE_BUILD_TYPE)
+	message("WARNING: CMAKE_BUILD_TYPE is not defined!\n         Defaulting to CMAKE_BUILD_TYPE=Debug. Use ccmake to set a proper value.")
+	SET(CMAKE_BUILD_TYPE Debug CACHE STRING "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel." FORCE)
+endif(NOT CMAKE_BUILD_TYPE)
+
+# Disable assertions for release builds
+if(CMAKE_BUILD_TYPE STREQUAL "Release")
+	add_definitions("-DNDEBUG")
+endif()
+
+# Enable extra compiler flags...
+set(CMAKE_C_FLAGS "-std=gnu99 -Wall -Wextra ${CMAKE_CXX_FLAGS}")
+
+set(IRSSI_MODULE_DIR "lib/irssi/modules" CACHE STRING "Irssi module install path. Must be a relative path (from CMAKE_INSTALL_PREFIX), with no trailing slash.")
+mark_as_advanced(IRSSI_MODULE_DIR)
+
+set(IRSSI_HELP_DIR "share/irssi/help" CACHE STRING "Help page install path. Must be a relative path (from CMAKE_INSTALL_PREFIX), with no trailing slash.")
+mark_as_advanced(IRSSI_HELP_DIR)
+
+find_package(Threads REQUIRED)
+find_package(OTR 4.0.0 REQUIRED)
+find_package(Irssi REQUIRED)
+include_directories(${Threads_INCLUDE_DIRS} ${OTR_INCLUDE_DIRS} ${Irssi_INCLUDE_DIRS})
+
+add_definitions(-DMODULE_NAME=\"otr\")
+add_definitions(-DVERSION=\"${PROJECT_VERSION}\")
+add_definitions(-pthread)
+
+file(GLOB srcfiles src/*.h src/*.c)
+add_library(otr MODULE ${srcfiles})
+target_link_libraries(otr ${Threads_LIBRARIES} ${OTR_LIBRARIES} ${Irssi_LIBRARIES})
+
+install(TARGETS otr DESTINATION ${Irssi_MODULE_DIR})
+install(FILES help/otr DESTINATION ${Irssi_SHARE_DIR}/help)
+

cmake/FindGlib.cmake

@@ -0,0 +1,39 @@
+# - Try to find Glib-2.0
+# Once done, this will define
+#
+#  Glib_FOUND - system has Glib
+#  Glib_INCLUDE_DIRS - the Glib include directories
+#  Glib_LIBRARIES - link these to use Glib
+
+include(LibFindMacros)
+
+# Use pkg-config to get hints about paths
+libfind_pkg_check_modules(Glib_PKGCONF glib-2.0)
+
+# Main include dir
+find_path(Glib_INCLUDE_DIR
+  NAMES glib.h
+  PATHS ${Glib_PKGCONF_INCLUDE_DIRS}
+  PATH_SUFFIXES glib-2.0
+)
+
+# Glib-related libraries also use a separate config header, which is in lib dir
+find_path(GlibConfig_INCLUDE_DIR
+  NAMES glibconfig.h
+  PATHS ${Glib_PKGCONF_INCLUDE_DIRS} /usr
+  PATH_SUFFIXES lib/glib-2.0/include ../lib/glib-2.0/include
+)
+
+# Finally the library itself
+find_library(Glib_LIBRARY
+  NAMES glib-2.0
+  PATHS ${Glib_PKGCONF_LIBRARY_DIRS}
+)
+
+# Set the include dir variables and the libraries and let libfind_process do the rest.
+# NOTE: Singular variables for this library, plural for libraries this this lib depends on.
+set(Glib_PROCESS_INCLUDES Glib_INCLUDE_DIR GlibConfig_INCLUDE_DIR)
+set(Glib_PROCESS_LIBS Glib_LIBRARY)
+libfind_process(Glib)
+
+

cmake/FindIrssi.cmake

@@ -0,0 +1,30 @@
+# - Try to find Irssi
+# Once done, this will define
+#
+#  Irssi_FOUND - system has LibIrssi
+#  Irssi_INCLUDE_DIRS - the LibIrssi include directories
+#  Irssi_LIBRARIES - link these to use LibIrssi
+#
+# See documentation on how to write CMake scripts at
+# http://www.cmake.org/Wiki/CMake:How_To_Find_Libraries
+
+include(LibFindMacros)
+
+libfind_package(Irssi Glib)
+find_path(Irssi_INCLUDE_DIR NAMES src/core/chatnets.h PATH_SUFFIXES irssi)
+
+if (Irssi_INCLUDE_DIR)
+  string(REGEX REPLACE "include/irssi$" "lib/irssi/modules" Irssi_MODULE_DIR "${Irssi_INCLUDE_DIR}")
+  string(REGEX REPLACE "include/irssi$" "share/irssi" Irssi_SHARE_DIR "${Irssi_INCLUDE_DIR}")
+endif()
+
+# Irssi has b0rked headers that require subdirectories to be included in path
+set(Irssi_src_INCLUDE_DIR ${Irssi_INCLUDE_DIR}/src)
+set(Irssi_core_INCLUDE_DIR ${Irssi_INCLUDE_DIR}/src/core)
+set(Irssi_PROCESS_INCLUDES Irssi_src_INCLUDE_DIR Irssi_core_INCLUDE_DIR)
+
+# The headers would cause a lot of warnings...
+add_definitions(-Wno-missing-field-initializers -Wno-unused-parameter)
+
+libfind_process(Irssi)
+

cmake/FindOTR.cmake

@@ -0,0 +1,16 @@
+# - Try to find OTR
+# Once done, this will define
+#
+#  OTR_FOUND - system has LibOTR
+#  OTR_INCLUDE_DIRS - the LibOTR include directories
+#  OTR_LIBRARIES - link these to use LibOTR
+#
+# See documentation on how to write CMake scripts at
+# http://www.cmake.org/Wiki/CMake:How_To_Find_Libraries
+
+include(LibFindMacros)
+
+libfind_pkg_detect(OTR libotr FIND_PATH libotr/version.h FIND_LIBRARY otr)
+libfind_version_header(OTR libotr/version.h OTRL_VERSION)
+libfind_process(OTR)
+