Cmake: export bml target and allow super-build

Author: junghans

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 2.8.7)
+cmake_minimum_required(VERSION 3.10)
 
 message(STATUS "CMake version ${CMAKE_VERSION}")
 
@@ -220,7 +220,7 @@ if(BML_OPENCL)
   include(FindOpenCL)
 endif()
 
-SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
+SET(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 
 set(BML_MAGMA FALSE CACHE BOOL "Whether to use MAGMA library")
 if(BML_MAGMA)
@@ -384,7 +384,7 @@ if(NOT (LAPACK_FOUND OR NOBLAS))
   endif()
 endif()
 
-include(${CMAKE_SOURCE_DIR}/cmake/bmlCheckCFortranFunctionExists.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/bmlCheckCFortranFunctionExists.cmake)
 if(MAGMA_FOUND)
   set(CMAKE_REQUIRED_LIBRARIES
     ${MAGMA_LIBRARIES})
@@ -491,7 +491,7 @@ set(BML_COMPLEX TRUE
   CACHE BOOL "Whether to build complex types")
 
 if(BML_COMPLEX)
-  try_compile(SUPPORTS_COMPLEX ${CMAKE_BINARY_DIR} ${CMAKE_SOURCE_DIR}/cmake/test_complex.c
+  try_compile(SUPPORTS_COMPLEX ${CMAKE_BINARY_DIR} ${PROJECT_SOURCE_DIR}/cmake/test_complex.c
     OUTPUT_VARIABLE COMPLEX_OUTPUT
     )
   message(STATUS "Compile output: ${COMPLEX_OUTPUT}")
@@ -551,17 +551,17 @@ include(FindDoxygen)
 if(DOXYGEN_FOUND)
   if(BML_OLD)
     set(DOXYGEN_INPUT
-      ${CMAKE_SOURCE_DIR}/src-old
+      ${PROJECT_SOURCE_DIR}/src-old
       ${CMAKE_BINARY_DIR}/src-old)
   else()
     set(DOXYGEN_INPUT
-      ${CMAKE_SOURCE_DIR}/src/C-interface
-      ${CMAKE_SOURCE_DIR}/src/Fortran-interface)
+      ${PROJECT_SOURCE_DIR}/src/C-interface
+      ${PROJECT_SOURCE_DIR}/src/Fortran-interface)
   endif()
   string(REPLACE ";" " " DOXYGEN_INPUT "${DOXYGEN_INPUT}")
   configure_file(documentation/Doxyfile.in Doxyfile)
   add_custom_target(docs
-    COMMAND rm -rvf ${CMAKE_SOURCE_DIR}/docs/API/*
+    COMMAND rm -rvf ${PROJECT_SOURCE_DIR}/docs/API/*
     COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_BINARY_DIR}/Doxyfile)
 else()
   add_custom_target(docs)
@@ -597,6 +597,7 @@ find_program(GIT git)
 if(TAR AND GIT)
   execute_process(COMMAND ${GIT} status
     RESULT_VARIABLE IS_GIT_REPOSITORY
+    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
     OUTPUT_QUIET
     ERROR_QUIET)
   if(NOT IS_GIT_REPOSITORY EQUAL 0)
@@ -609,7 +610,7 @@ if(TAR AND GIT)
       --prefix=bml-${PROJECT_VERSION}/
       --output=${CMAKE_BINARY_DIR}/bml-${PROJECT_VERSION}.tar.gz
       master
-      WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})
+      WORKING_DIRECTORY ${PROJECT_SOURCE_DIR})
   endif()
 else()
   add_custom_target(dist)
@@ -619,7 +620,7 @@ include(FindPythonInterp)
 if(NOT PYTHONINTERP_FOUND)
   message(FATAL "Could not find Python interpreter")
 endif()
-configure_file(${CMAKE_SOURCE_DIR}/scripts/convert-template.in
+configure_file(${PROJECT_SOURCE_DIR}/scripts/convert-template.in
   ${CMAKE_BINARY_DIR}/convert-template)
 
 message(STATUS "When building executables with the bml library, please use the following link flags")

documentation/Doxyfile.in

@@ -687,7 +687,7 @@ LAYOUT_FILE            =
 # LATEX_BIB_STYLE. To use this feature you need bibtex and perl available in the
 # search path. See also \cite for info how to create references.
 
-CITE_BIB_FILES         = @CMAKE_SOURCE_DIR@/docs/references.bib
+CITE_BIB_FILES         = @PROJECT_SOURCE_DIR@/docs/references.bib
 
 #---------------------------------------------------------------------------
 # Configuration options related to warning and progress messages
@@ -809,7 +809,7 @@ EXCLUDE_SYMLINKS       = NO
 # Note that the wildcards are matched against the file with absolute path, so to
 # exclude all test directories for example use the pattern */test/*
 
-EXCLUDE_PATTERNS       = @CMAKE_SOURCE_DIR@/src/*generic*.F90
+EXCLUDE_PATTERNS       = @PROJECT_SOURCE_DIR@/src/*generic*.F90
 
 # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names
 # (namespaces, classes, functions, etc.) that should be excluded from the
@@ -1042,7 +1042,7 @@ GENERATE_HTML          = YES
 # The default directory is: html.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_OUTPUT            = ${CMAKE_SOURCE_DIR}/docs/API
+HTML_OUTPUT            = ${PROJECT_SOURCE_DIR}/docs/API
 
 # The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
 # generated HTML page (for example: .htm, .php, .asp).

src/BMLConfig.cmakein

@@ -0,0 +1,5 @@
+include(CMakeFindDependencyMacro)
+if(@OPENMP_FOUND@)
+  find_dependency(OpenMP REQUIRED)
+endif()
+include("${CMAKE_CURRENT_LIST_DIR}/BML_Targets.cmake")

src/C-interface/dense/CMakeLists.txt

@@ -80,7 +80,7 @@ set(SOURCES-DENSE-TYPED
   bml_transpose_triangle_dense_typed.c
   bml_utilities_dense_typed.c)
 
-include(${CMAKE_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
 bml_add_typed_library(bml-dense single_real "${SOURCES-DENSE-TYPED}")
 bml_add_typed_library(bml-dense double_real "${SOURCES-DENSE-TYPED}")
 bml_add_typed_library(bml-dense single_complex "${SOURCES-DENSE-TYPED}")

src/C-interface/ellblock/CMakeLists.txt

@@ -74,7 +74,7 @@ set(SOURCES-ELLBLOCK-TYPED
   bml_utilities_ellblock_typed.c
 )
 
-include(${CMAKE_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
 bml_add_typed_library(bml-ellblock single_real "${SOURCES-ELLBLOCK-TYPED}")
 bml_add_typed_library(bml-ellblock double_real "${SOURCES-ELLBLOCK-TYPED}")
 bml_add_typed_library(bml-ellblock single_complex "${SOURCES-ELLBLOCK-TYPED}")

src/C-interface/ellpack/CMakeLists.txt

@@ -81,7 +81,7 @@ set(SOURCES-ELLPACK-TYPED
   bml_transpose_ellpack_typed.c
   bml_utilities_ellpack_typed.c)
 
-include(${CMAKE_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
 bml_add_typed_library(bml-ellpack single_real "${SOURCES-ELLPACK-TYPED}")
 bml_add_typed_library(bml-ellpack double_real "${SOURCES-ELLPACK-TYPED}")
 bml_add_typed_library(bml-ellpack single_complex "${SOURCES-ELLPACK-TYPED}")

src/C-interface/ellsort/CMakeLists.txt

@@ -75,7 +75,7 @@ set(SOURCES-ELLSORT-TYPED
   bml_transpose_ellsort_typed.c
   bml_utilities_ellsort_typed.c)
 
-include(${CMAKE_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
 bml_add_typed_library(bml-ellsort single_real "${SOURCES-ELLSORT-TYPED}")
 bml_add_typed_library(bml-ellsort double_real "${SOURCES-ELLSORT-TYPED}")
 bml_add_typed_library(bml-ellsort single_complex "${SOURCES-ELLSORT-TYPED}")

src/CMakeLists.txt

@@ -32,14 +32,31 @@ set_target_properties(bml
   PROPERTIES
   SOVERSION ${PROJECT_VERSION}
   POSITION_INDEPENDENT_CODE yes)
+target_include_directories(bml PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+if(OPENMP_FOUND)
+  target_link_libraries(bml PUBLIC OpenMP::OpenMP_C)
+endif()
+target_link_libraries(bml PRIVATE ${LINK_LIBRARIES})
 
 add_library(bml_fortran
   $<TARGET_OBJECTS:bml-fortran>)
 set_target_properties(bml_fortran
   PROPERTIES
   SOVERSION ${PROJECT_VERSION}
   POSITION_INDEPENDENT_CODE yes)
+target_include_directories(bml_fortran PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}> $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/Fortran-interface>)
+target_link_libraries(bml_fortran PUBLIC bml)
+if(OPENMP_FOUND)
+  target_link_libraries(bml_fortran PUBLIC OpenMP::OpenMP_Fortran)
+endif()
 
-install(TARGETS bml bml_fortran
+install(TARGETS bml bml_fortran EXPORT BML_Targets
   ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
   LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR})
+install(EXPORT BML_Targets FILE BML_Targets.cmake NAMESPACE BML:: DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/BML)
+include(CMakePackageConfigHelpers)
+configure_file(BMLConfig.cmakein ${CMAKE_CURRENT_BINARY_DIR}/BMLConfig.cmake @ONLY)
+write_basic_package_version_file("BMLConfigVersion.cmake" VERSION ${PROJECT_VERSION} COMPATIBILITY ExactVersion)
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/BMLConfig.cmake" "${CMAKE_CURRENT_BINARY_DIR}/BMLConfigVersion.cmake" DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/BML)
+add_library(BML::bml ALIAS bml)
+add_library(BML::bml_fortran ALIAS bml_fortran)

src/Fortran-interface/CMakeLists.txt

@@ -39,7 +39,7 @@ set(FORTRAN-SOURCES-PRIVATE
 set(FORTRAN-SOURCES-TYPED
   bml_utilities_typed_m.F90)
 
-include(${CMAKE_SOURCE_DIR}/cmake/bmlGetTypes.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/bmlGetTypes.cmake)
 foreach(i RANGE ${NUMBER_TYPES_MAX})
   get_Fortran_types(${i} MATRIX_TYPE PRECISION_NAME REAL_TYPE REAL_KIND REAL_NAME)
   foreach(S ${FORTRAN-SOURCES-TYPED})

src/internal-blas/CMakeLists.txt

@@ -6,7 +6,7 @@ install(FILES ${HEADERS-C} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 set(SOURCES-INTERNAL-BLAS
   bml_gemm.c)
 
-include(${CMAKE_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
 bml_add_typed_library(bml-internal-blas single_real "${SOURCES-INTERNAL-BLAS}")
 bml_add_typed_library(bml-internal-blas double_real "${SOURCES-INTERNAL-BLAS}")
 bml_add_typed_library(bml-internal-blas single_complex "${SOURCES-INTERNAL-BLAS}")

test-getter/CMakeLists.txt

@@ -1,8 +1,8 @@
 project(ptr C Fortran)
 cmake_minimum_required(VERSION 3.0)
 
-include_directories(${CMAKE_SOURCE_DIR}/../install/include)
-link_directories(${CMAKE_SOURCE_DIR}/../install/lib64)
+include_directories(${PROJECT_SOURCE_DIR}/../install/include)
+link_directories(${PROJECT_SOURCE_DIR}/../install/lib64)
 
 add_executable(ptr-F ptr.F90)
 target_link_libraries(ptr-F bml m)

tests/C-tests/CMakeLists.txt

@@ -1,4 +1,4 @@
-include_directories(${CMAKE_SOURCE_DIR}/src/C-interface)
+include_directories(${PROJECT_SOURCE_DIR}/src/C-interface)
 
 set(SOURCES_TYPED
   add_matrix_typed.c
@@ -30,7 +30,7 @@ set(SOURCES_TYPED
   trace_matrix_typed.c
   transpose_matrix_typed.c)
 
-include(${CMAKE_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/bmlAddTypedLibrary.cmake)
 bml_add_typed_library(bmltests single_real "${SOURCES_TYPED}")
 bml_add_typed_library(bmltests double_real "${SOURCES_TYPED}")
 bml_add_typed_library(bmltests single_complex "${SOURCES_TYPED}")

tests/Fortran-tests/CMakeLists.txt

@@ -1,6 +1,6 @@
 include_directories(${BML_INCLUDEDIR})
 include_directories(${CMAKE_BINARY_DIR}/src/Fortran-interface)
-include(${CMAKE_SOURCE_DIR}/cmake/bmlGetTypes.cmake)
+include(${PROJECT_SOURCE_DIR}/cmake/bmlGetTypes.cmake)
 
 # Adding the low-level source for each test
 set(FORTRAN-SOURCES-TYPED
@@ -82,7 +82,7 @@ endforeach()
 
 # Setting link flags
 #set(FORTRAN_TEST_LINK_FLAGS
-#-L${CMAKE_SOURCE_DIR}/build/src -lbml_fortran -lbml
+#-L${PROJECT_SOURCE_DIR}/build/src -lbml_fortran -lbml
 #${OpenMP_Fortran_FLAGS}
 #${BLAS_LIBRARIES}
 #${LINK_LIBRARIES}