Add generation of pkgconfig file

CMakeLists.txt

@@ -59,6 +59,8 @@ if (NOT EXISTS ${CMAKE_BINARY_DIR}/CMakeCache.txt)
   endif()
 endif()
 
+include(GNUInstallDirs)
+
 # Include packages
 
 if (NOT CMAKE_CROSSCOMPILING)
@@ -86,9 +88,6 @@ endif()
 
 find_package(OpenMP)
 
-set(INSTALL_PREFIX "${CMAKE_INSTALL_PREFIX}/")
-set(INSTALL_BINDIR "${INSTALL_PREFIX}bin")
-
 # Detect compiler capabilities
 
 include(CheckCXXSourceCompiles)
@@ -310,6 +309,34 @@ configure_file("${PROJECT_SOURCE_DIR}/src/include/tlfloat/tlfloatconfig.hpp.in"
 configure_file("${PROJECT_SOURCE_DIR}/src/include/detect.h.in"
   "${PROJECT_BINARY_DIR}/include/detect.h" @ONLY)
 
+# Install CMake package config
+
+if (FALSE)
+  # Currently disabled because I still don't fully understand how this works
+
+  include(CMakePackageConfigHelpers)
+
+  write_basic_package_version_file(
+    tlfloatConfigVersion.cmake
+    VERSION "${TLFLOAT_VERSION}"
+    COMPATIBILITY SameMajorVersion
+    )
+
+  install(
+    EXPORT tlfloatTargets
+    FILE tlfloatConfigVersion.cmake
+    DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/tlfloat"
+    COMPONENT tlfloat_Development
+    )
+
+  install(
+    EXPORT tlfloatTargets
+    NAMESPACE tlfloat::
+    DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/tlfloat"
+    COMPONENT tlfloat_Development
+    )
+endif()
+
 #
 
 add_subdirectory("src")

src/tlfloat/CMakeLists.txt

@@ -8,7 +8,7 @@ if (BUILD_LIBS)
 
   add_library(tlfloat printf.cpp)
   target_compile_options(tlfloat PRIVATE ${NOEXCEPT_CXX_FLAGS})
-  target_link_libraries(tlfloat tlfloat_inline)
+  target_link_libraries(tlfloat PRIVATE tlfloat_inline)
 
   set(INCLUDEDIR "${PROJECT_SOURCE_DIR}/src/include")
   set(VERFILE "${PROJECT_BINARY_DIR}/include/tlfloat/tlfloatconfig.hpp")
@@ -18,9 +18,10 @@ if (BUILD_LIBS)
     PUBLIC_HEADER "${INCLUDEDIR}/tlfloat/bigint.hpp;${INCLUDEDIR}/tlfloat/rpitab.hpp;${INCLUDEDIR}/tlfloat/tlfloat.hpp;${INCLUDEDIR}/tlfloat/tlmath.hpp;${INCLUDEDIR}/tlfloat/tlmathcoef.hpp;${INCLUDEDIR}/tlfloat/tlfloat.h;${VERFILE}"
     )
   install(
-    TARGETS tlfloat
+    TARGETS tlfloat tlfloat_inline
+    EXPORT tlfloatTargets
     LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
-    PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_PREFIX}/include/tlfloat"
+    PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/tlfloat"
     COMPONENT tlfloat_Development
     )
 
@@ -30,9 +31,30 @@ else(BUILD_LIBS)
   set(VERFILE "${PROJECT_BINARY_DIR}/include/tlfloat/tlfloatconfig.hpp")
   install(
     FILES "${INCLUDEDIR}/tlfloat/bigint.hpp" "${INCLUDEDIR}/tlfloat/rpitab.hpp" "${INCLUDEDIR}/tlfloat/tlfloat.hpp" "${INCLUDEDIR}/tlfloat/tlmath.hpp" "${INCLUDEDIR}/tlfloat/tlmathcoef.hpp" "${INCLUDEDIR}/tlfloat/tlfloat.h" "${VERFILE}"
-    DESTINATION "${CMAKE_INSTALL_PREFIX}/include/tlfloat"
+    EXPORT tlfloatTargets
+    DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/tlfloat"
     )
 
 endif(BUILD_LIBS)
 
+configure_file("${CMAKE_CURRENT_SOURCE_DIR}/tlfloat.pc.in" "${CMAKE_CURRENT_BINARY_DIR}/tlfloat.pc" @ONLY)
+install(
+    FILES "${CMAKE_CURRENT_BINARY_DIR}/tlfloat.pc"
+    DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig"
+    COMPONENT tlfloat_Development
+)
+
+if (FALSE)
+  # Currently disabled because I still don't fully understand how this works
+
+  configure_package_config_file(
+    "${CMAKE_CURRENT_SOURCE_DIR}/tlfloatConfig.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/tlfloatConfig.cmake"
+    INSTALL_DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/tlfloat"
+    )
 
+  install(
+    FILES "${CMAKE_CURRENT_BINARY_DIR}/tlfloatConfig.cmake"
+    DESTINATION "${CMAKE_INSTALL_LIBDIR}/cmake/tlfloat"
+    COMPONENT tlfloat_Development
+    )
+endif()

src/tlfloat/tlfloat.pc.in

@@ -0,0 +1,9 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+libdir=@CMAKE_INSTALL_FULL_LIBDIR@
+includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
+
+Name: TLFloat
+Description: C++ template library for floating point operations
+Version: @TLFLOAT_VERSION@
+Cflags: -I${includedir}
+Libs: -L${libdir} -ltlfloat

src/tlfloat/tlfloatConfig.cmake.in

@@ -0,0 +1,3 @@
+@PACKAGE_INIT@
+set(TLFLOAT_INCLUDE_DIR "@CMAKE_INSTALL_PREFIX@/include")
+set(TLFLOAT_LIB_DIR "@CMAKE_INSTALL_PREFIX@/lib")