.pc file

Author: brechtsanders

CMakeLists.txt

@@ -31,6 +31,15 @@ ENDIF()
 
 INCLUDE_DIRECTORIES(include)
 
+# get version from header file
+FILE(READ "include/dirtrav_version.h" VERSION_HEADER)
+STRING(REGEX REPLACE "^.*#define DIRTRAV_VERSION_MAJOR ([0-9]+).*#define DIRTRAV_VERSION_MINOR ([0-9]+).*#define DIRTRAV_VERSION_MICRO ([0-9]+).*$" "\\1.\\2.\\3" PARSED_VERSION "${VERSION_HEADER}")
+MESSAGE(STATUS "Version of ${PROJECT_NAME}: ${PARSED_VERSION}")
+
+# other project information
+SET(DIRTRAV_PROJECT_DESCRIPTION "Cross-platform C library for recursively traversing directory contents")
+SET(DIRTRAVW_PROJECT_DESCRIPTION "${DIRTRAV_PROJECT_DESCRIPTION} - Windows wide character version")
+
 # build definitions
 SET(ALLTARGETS)
 SET(LINKTYPES)
@@ -42,7 +51,9 @@ IF(BUILD_SHARED)
 ENDIF()
 
 IF(WIN32)
-  SET(WIN32_LIBS -lmpr -lshlwapi)
+  SET(DEPENDENCY_LIBS -lmpr -lshlwapi)
+ELSE()
+  SET(DEPENDENCY_LIBS)
 ENDIF()
 
 FOREACH(LINKTYPE ${LINKTYPES})
@@ -52,7 +63,7 @@ FOREACH(LINKTYPE ${LINKTYPES})
   SET_TARGET_PROPERTIES(dirtrav_${LINKTYPE} PROPERTIES OUTPUT_NAME dirtrav)
   TARGET_INCLUDE_DIRECTORIES(dirtrav_${LINKTYPE} PRIVATE lib)
   IF(WIN32 AND "${LINKTYPE}" STREQUAL "SHARED")
-    TARGET_LINK_LIBRARIES(dirtrav_${LINKTYPE} ${WIN32_LIBS})
+    TARGET_LINK_LIBRARIES(dirtrav_${LINKTYPE} ${DEPENDENCY_LIBS})
   ENDIF()
   SET(ALLTARGETS ${ALLTARGETS} dirtrav_${LINKTYPE})
 
@@ -63,17 +74,34 @@ FOREACH(LINKTYPE ${LINKTYPES})
     SET_TARGET_PROPERTIES(dirtravw_${LINKTYPE} PROPERTIES OUTPUT_NAME dirtravw)
     TARGET_INCLUDE_DIRECTORIES(dirtravw_${LINKTYPE} PRIVATE lib)
     IF(WIN32 AND "${LINKTYPE}" STREQUAL "SHARED")
-      TARGET_LINK_LIBRARIES(dirtravw_${LINKTYPE} ${WIN32_LIBS})
+      TARGET_LINK_LIBRARIES(dirtravw_${LINKTYPE} ${DEPENDENCY_LIBS})
     ENDIF()
     SET(ALLTARGETS ${ALLTARGETS} dirtravw_${LINKTYPE})
   ENDIF()
 
   SET(EXELINKTYPE ${LINKTYPE})
 ENDFOREACH()
 
+LIST(JOIN DEPENDENCY_LIBS " " PC_STATIC_DEPENDENCIES)
+SET(PC_PROJECT_NAME "libdirtrav")
+SET(PC_PROJECT_DESCRIPTION "${DIRTRAV_PROJECT_DESCRIPTION}")
+SET(PC_LINK_LIBRARY "dirtrav")
+SET(PC_CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
+CONFIGURE_FILE(pkgconfig.pc.in libdirtrav.pc @ONLY)
+INSTALL(FILES libdirtrav.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+
+IF(WITH_WIDE)
+  SET(PC_PROJECT_NAME "libdirtravw")
+  SET(PC_PROJECT_DESCRIPTION "${DIRTRAVW_PROJECT_DESCRIPTION}")
+  SET(PC_LINK_LIBRARY "dirtravw")
+  SET(PC_CMAKE_INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}")
+  CONFIGURE_FILE(pkgconfig.pc.in libdirtravw.pc @ONLY)
+  INSTALL(FILES libdirtravw.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+ENDIF()
+
 IF(BUILD_TOOLS)
   IF(WIN32 AND "${EXELINKTYPE}" STREQUAL "STATIC")
-    SET(TOOLS_LIBS ${WIN32_LIBS})
+    SET(TOOLS_LIBS ${DEPENDENCY_LIBS})
   ELSE()
     SET(TOOLS_LIBS)
   ENDIF()

Changelog.txt

@@ -1,5 +1,7 @@
 0.2.24
 
+  * generate pkg-config .pc file in Makefile and CMakeLists.txt
+
 0.2.23
 
 2025-11-04  Brecht Sanders  https://github.com/brechtsanders/

Makefile

@@ -81,6 +81,13 @@ EXAMPLES_BIN = test1$(BINEXT)
 COMMON_PACKAGE_FILES = README.md LICENSE Changelog.txt
 SOURCE_PACKAGE_FILES = $(COMMON_PACKAGE_FILES) Makefile CMakeLists.txt doc/Doxyfile include/*.h src/*.c build/*.workspace build/*.cbp build/*.depend
 
+PC_FILEBASE := dirtrav
+PC_DESCRIPTION := Cross-platform C library for recursively traversing directory contents
+ifneq ($(BUILD_WIDE),)
+	PC_FILEBASE := $(PC_FILEBASE)w
+	PC_DESCRIPTION := $(PC_DESCRIPTION) - Windows wide character version
+endif
+
 default: all
 
 all: static-lib shared-lib $(TOOLS_BIN)
@@ -122,6 +129,10 @@ static-lib: $(LIBPREFIX)dirtrav$(LIBEXT) $(STATIC_LIB_WIDE)
 
 shared-lib: $(LIBPREFIX)dirtrav$(SOEXT) $(SHARED_LIB_WIDE)
 
+pkg-config: lib$(PC_FILEBASE).pc
+lib$(PC_FILEBASE).pc: version
+	sed -e "s?@PC_PROJECT_DESCRIPTION@?$(PC_DESCRIPTION)?; s?@PC_PROJECT_NAME@?$(@:.pc=)?; s?@CMAKE_INSTALL_PREFIX@?$(PREFIX)?; s?@PARSED_VERSION@?$(shell cat version)?; s?@PC_LINK_LIBRARY@?$(PC_FILEBASE)?; s?@PC_STATIC_DEPENDENCIES@?$(libdirtrav_LDFLAGS)?" pkgconfig.pc.in > $@
+
 #tree.o: src/tree.c
 #	$(CC) -c -o $@ $< $(CFLAGS) 
 
@@ -151,10 +162,11 @@ ifdef DOXYGEN
 	$(DOXYGEN) doc/Doxyfile
 endif
 
-install: all doc
-	$(MKDIR) $(PREFIX)/include $(PREFIX)/lib $(PREFIX)/bin
+install: all pkg-config doc
+	$(MKDIR) $(PREFIX)/include $(PREFIX)/lib/pkgconfig $(PREFIX)/bin
 	$(CP) include/*.h $(PREFIX)/include/
 	$(CP) *$(LIBEXT) $(PREFIX)/lib/
+	$(CP) lib$(PC_FILEBASE).pc $(PREFIX)/lib/pkgconfig/
 ifeq ($(OS),Windows_NT)
 	$(CP) *$(SOEXT) $(PREFIX)/bin/
 else
@@ -193,7 +205,7 @@ endif
 
 .PHONY: clean
 clean:
-	$(RM) src/*.o *$(LIBEXT) *$(SOEXT) $(TOOLS_BIN) $(EXAMPLES_BIN) version libdirtrav-*.tar.xz doc/doxygen_sqlite3.db
+	$(RM) src/*.o *$(LIBEXT) *$(SOEXT) *.pc $(TOOLS_BIN) $(EXAMPLES_BIN) version libdirtrav-*.tar.xz doc/doxygen_sqlite3.db
 ifeq ($(OS),Windows_NT)
 	$(RM) *.def
 endif

pkgconfig.pc.in

@@ -0,0 +1,11 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+libdir=${prefix}/lib
+includedir=${prefix}/include
+
+Name: @PC_PROJECT_NAME@
+Description: @PC_PROJECT_DESCRIPTION@
+Version: @PARSED_VERSION@
+Cflags: -I${includedir}
+Libs: -L${libdir} -l@PC_LINK_LIBRARY@
+Libs.private: @PC_STATIC_DEPENDENCIES@