cmake: Add option to enable/disable sample config

.gitignore

@@ -1,7 +1,6 @@
 /build
 /tags
 /compile_commands.json
-/config
 *.bak
 *.pyc
 *.swp

CHANGELOG.md

@@ -28,6 +28,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   - `BUILD_POLYBAR=ON` - Builds the `polybar` executable
   - `BUILD_POLYBAR_MSG=ON` - Builds the `polybar-msg` executable
   - `BUILD_TESTS=OFF` - Builds the test suite
+  - `BUILD_CONFIG=ON` - Generate sample config
   - `BUILD_DOC=ON` - Builds the documentation
   - `BUILD_DOC_HTML=BUILD_DOC` - Builds the html documentation (depends on `BUILD_DOC`)
   - `BUILD_DOC_MAN=BUILD_DOC` - Builds the manpages (depends on `BUILD_DOC`)

CMakeLists.txt

@@ -59,96 +59,8 @@ if(BUILD_TESTS)
   add_subdirectory(tests)
 endif()
 
+if (BUILD_CONFIG)
+  add_subdirectory(config)
+endif()
+
 include(05-summary)
-
-#
-# Generate configuration file
-#
-
-set(MODULES_LEFT "bspwm i3")
-set(MODULES_CENTER "mpd")
-set(MODULES_RIGHT "filesystem backlight-acpi alsa pulseaudio xkeyboard memory cpu wlan eth battery temperature date powermenu")
-
-set(FONT_FIXED "fixed:pixelsize=10")
-set(FONT_UNIFONT "unifont:fontformat=truetype")
-set(FONT_SIJI "siji:pixelsize=10")
-
-queryfont(FONT_FIXED ${FONT_FIXED} FIELDS family pixelsize)
-queryfont(FONT_UNIFONT ${FONT_UNIFONT} FIELDS family fontformat)
-queryfont(FONT_SIJI ${FONT_SIJI} FIELDS family pixelsize)
-
-# Strip disabled modules {{{
-
-if(NOT ENABLE_PULSEAUDIO)
-  string(REPLACE " pulseaudio" "" MODULES_RIGHT ${MODULES_RIGHT})
-endif()
-if(NOT ENABLE_ALSA)
-  string(REPLACE " alsa" "" MODULES_RIGHT ${MODULES_RIGHT})
-endif()
-if(NOT ENABLE_I3)
-  string(REPLACE " i3" "" MODULES_LEFT ${MODULES_LEFT})
-endif()
-if(NOT ENABLE_MPD)
-  string(REPLACE "mpd" "" MODULES_CENTER ${MODULES_CENTER})
-endif()
-if(NOT ENABLE_NETWORK)
-  string(REPLACE " wlan eth" "" MODULES_RIGHT ${MODULES_RIGHT})
-endif()
-if(NOT WITH_XKB)
-  string(REPLACE "xkeyboard " "" MODULES_RIGHT ${MODULES_RIGHT})
-endif()
-
-# }}}
-# Get battery/adapter name {{{
-
-string(REGEX REPLACE /%battery%.* "" PATH_BAT ${SETTING_PATH_BATTERY})
-string(REGEX REPLACE /%adapter%.* "" PATH_ADP ${SETTING_PATH_ADAPTER})
-file(GLOB BAT_LIST RELATIVE ${PATH_BAT} ${PATH_ADP}/B*)
-file(GLOB ADP_LIST RELATIVE ${PATH_ADP} ${PATH_ADP}/A*)
-if(BAT_LIST)
-  list(GET BAT_LIST 0 BATTERY)
-else()
-  set(BATTERY BAT0)
-endif()
-if(ADP_LIST)
-  list(GET ADP_LIST 0 ADAPTER)
-else()
-  set(ADAPTER ADP1)
-endif()
-
-# }}}
-# Get network interfaces {{{
-
-if(ENABLE_NETWORK)
-  file(GLOB IFLIST RELATIVE /sys/class/net /sys/class/net/*)
-  foreach(INTERFACE ${IFLIST})
-    if(NOT ${INTERFACE} STREQUAL "lo")
-      file(GLOB IS_WIRELESS /sys/class/net/${INTERFACE}/wireless)
-      if(IS_WIRELESS)
-        set(INTERFACE_WLAN ${INTERFACE})
-      else()
-        set(INTERFACE_ETH ${INTERFACE})
-      endif()
-    endif()
-  endforeach()
-  if(NOT INTERFACE_ETH)
-    set(INTERFACE_ETH net0)
-  endif()
-  if(NOT INTERFACE_WLAN)
-    set(INTERFACE_WLAN net1)
-  endif()
-endif()
-
-# }}}
-# Configure and install {{{
-
-configure_file(
-  ${CMAKE_CURRENT_LIST_DIR}/config.cmake
-  ${CMAKE_CURRENT_LIST_DIR}/config
-  ESCAPE_QUOTES @ONLY)
-
-install(FILES config
-  DESTINATION ${CMAKE_INSTALL_DOCDIR}
-  COMPONENT config)
-
-# }}}

cmake/01-core.cmake

@@ -15,6 +15,7 @@ option(BUILD_POLYBAR "Build the main polybar executable" ${DEFAULT_ON})
 option(BUILD_POLYBAR_MSG "Build polybar-msg" ${DEFAULT_ON})
 option(BUILD_TESTS "Build testsuite" OFF)
 option(BUILD_DOC "Build documentation" ${DEFAULT_ON})
+option(BUILD_CONFIG "Generate sample configuration" ${DEFAULT_ON})
 
 include(CMakeDependentOption)
 CMAKE_DEPENDENT_OPTION(BUILD_DOC_HTML "Build HTML documentation" ON "BUILD_DOC" OFF)

cmake/04-targets.cmake

@@ -2,18 +2,6 @@
 # Custom targets
 #
 
-# Target: userconfig {{{
-
-configure_file(
-  ${PROJECT_SOURCE_DIR}/cmake/templates/userconfig.cmake.in
-  ${PROJECT_BINARY_DIR}/cmake/userconfig.cmake
-  ESCAPE_QUOTES @ONLY)
-
-add_custom_target(userconfig
-  DEPENDS ${PROJECT_NAME}
-  COMMAND ${CMAKE_COMMAND} -P ${PROJECT_BINARY_DIR}/cmake/userconfig.cmake)
-
-# }}}
 # Target: uninstall {{{
 
 configure_file(

cmake/05-summary.cmake

@@ -27,6 +27,7 @@ colored_option("   testsuite" BUILD_TESTS)
 colored_option("   documentation" BUILD_DOC)
 colored_option("      html" BUILD_DOC_HTML)
 colored_option("      man" BUILD_DOC_MAN)
+colored_option("   sample config" BUILD_CONFIG)
 
 if (BUILD_LIBPOLY)
   message(STATUS " Module support:")

cmake/templates/userconfig.cmake.in

@@ -4,5 +4,5 @@ if(NOT USER_CONFIG_HOME)
 endif()
 set(USER_CONFIG_HOME "${USER_CONFIG_HOME}/polybar")
 
-file(INSTALL "@CMAKE_SOURCE_DIR@/config"
+file(INSTALL "@CMAKE_BINARY_DIR@/generated-sources/config"
   DESTINATION "${USER_CONFIG_HOME}")

config/CMakeLists.txt

@@ -0,0 +1,103 @@
+#
+# Generate configuration file
+#
+
+set(MODULES_LEFT "bspwm i3")
+set(MODULES_CENTER "mpd")
+set(MODULES_RIGHT "filesystem backlight-acpi alsa pulseaudio xkeyboard memory cpu wlan eth battery temperature date powermenu")
+
+set(FONT_FIXED "fixed:pixelsize=10")
+set(FONT_UNIFONT "unifont:fontformat=truetype")
+set(FONT_SIJI "siji:pixelsize=10")
+
+queryfont(FONT_FIXED ${FONT_FIXED} FIELDS family pixelsize)
+queryfont(FONT_UNIFONT ${FONT_UNIFONT} FIELDS family fontformat)
+queryfont(FONT_SIJI ${FONT_SIJI} FIELDS family pixelsize)
+
+# Strip disabled modules {{{
+
+if(NOT ENABLE_PULSEAUDIO)
+  string(REPLACE " pulseaudio" "" MODULES_RIGHT ${MODULES_RIGHT})
+endif()
+if(NOT ENABLE_ALSA)
+  string(REPLACE " alsa" "" MODULES_RIGHT ${MODULES_RIGHT})
+endif()
+if(NOT ENABLE_I3)
+  string(REPLACE " i3" "" MODULES_LEFT ${MODULES_LEFT})
+endif()
+if(NOT ENABLE_MPD)
+  string(REPLACE "mpd" "" MODULES_CENTER ${MODULES_CENTER})
+endif()
+if(NOT ENABLE_NETWORK)
+  string(REPLACE " wlan eth" "" MODULES_RIGHT ${MODULES_RIGHT})
+endif()
+if(NOT WITH_XKB)
+  string(REPLACE "xkeyboard " "" MODULES_RIGHT ${MODULES_RIGHT})
+endif()
+
+# }}}
+# Get battery/adapter name {{{
+
+string(REGEX REPLACE /%battery%.* "" PATH_BAT ${SETTING_PATH_BATTERY})
+string(REGEX REPLACE /%adapter%.* "" PATH_ADP ${SETTING_PATH_ADAPTER})
+file(GLOB BAT_LIST RELATIVE ${PATH_BAT} ${PATH_ADP}/B*)
+file(GLOB ADP_LIST RELATIVE ${PATH_ADP} ${PATH_ADP}/A*)
+if(BAT_LIST)
+  list(GET BAT_LIST 0 BATTERY)
+else()
+  set(BATTERY BAT0)
+endif()
+if(ADP_LIST)
+  list(GET ADP_LIST 0 ADAPTER)
+else()
+  set(ADAPTER ADP1)
+endif()
+
+# }}}
+# Get network interfaces {{{
+
+if(ENABLE_NETWORK)
+  file(GLOB IFLIST RELATIVE /sys/class/net /sys/class/net/*)
+  foreach(INTERFACE ${IFLIST})
+    if(NOT ${INTERFACE} STREQUAL "lo")
+      file(GLOB IS_WIRELESS /sys/class/net/${INTERFACE}/wireless)
+      if(IS_WIRELESS)
+        set(INTERFACE_WLAN ${INTERFACE})
+      else()
+        set(INTERFACE_ETH ${INTERFACE})
+      endif()
+    endif()
+  endforeach()
+  if(NOT INTERFACE_ETH)
+    set(INTERFACE_ETH net0)
+  endif()
+  if(NOT INTERFACE_WLAN)
+    set(INTERFACE_WLAN net1)
+  endif()
+endif()
+
+# }}}
+# Configure and install {{{
+
+configure_file(
+  ${CMAKE_CURRENT_LIST_DIR}/config.cmake
+  ${CMAKE_BINARY_DIR}/generated-sources/config
+  ESCAPE_QUOTES @ONLY)
+
+install(FILES ${CMAKE_BINARY_DIR}/generated-sources/config
+  DESTINATION ${CMAKE_INSTALL_DOCDIR}
+  COMPONENT config)
+
+# }}}
+
+# Target: userconfig {{{
+
+configure_file(
+  ${PROJECT_SOURCE_DIR}/cmake/templates/userconfig.cmake.in
+  ${PROJECT_BINARY_DIR}/cmake/userconfig.cmake
+  ESCAPE_QUOTES @ONLY)
+
+add_custom_target(userconfig
+  COMMAND ${CMAKE_COMMAND} -P ${PROJECT_BINARY_DIR}/cmake/userconfig.cmake)
+
+# }}}