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Provide LLVMConfig in both build and install tree

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Create separate package configuration files "LLVMConfig.cmake" for the
LLVM build and install trees so that each can have information specific
to its tree.  Configure each with the corresponding include, lib, and
cmake directories.  Include the "LLVM-Config" API modules directly from
the configured cmake modules directory.

In the install tree, compute the installation prefix relative to the
file location.  In the build tree, provide information specific to the
build tree for use by tools like Clang that can build externally against
the LLVM build tree.  Prefix such values in "LLVM_BUILD_" and comment
them as such.

Contributed by Brad King.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201048 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi 2014-02-09 16:35:51 +00:00
parent 6574a84331
commit 24ef854ac8
2 changed files with 45 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
cmake/modules/CMakeLists.txt
View File

@ -1,6 +1,5 @@
set(LLVM_INSTALL_PACKAGE_DIR share/llvm/cmake)
set(llvm_cmake_builddir "${LLVM_BINARY_DIR}/${LLVM_INSTALL_PACKAGE_DIR}")
set(LLVM_INSTALL_PREFIX ${CMAKE_INSTALL_PREFIX})
get_property(llvm_libs GLOBAL PROPERTY LLVM_LIBS)
@ -10,6 +9,24 @@ foreach(lib ${llvm_libs})
"${all_llvm_lib_deps}\nset_property(GLOBAL PROPERTY LLVMBUILD_LIB_DEPS_${lib} ${llvm_lib_deps})")
endforeach(lib)
# Generate LLVMConfig.cmake for the build tree.
set(LLVM_CONFIG_CODE "
# LLVM_BUILD_* values available only from LLVM build tree.
set(LLVM_BUILD_BINARY_DIR \"${LLVM_BINARY_DIR}\")
set(LLVM_BUILD_ENABLE_ASSERTIONS \"${LLVM_ENABLE_ASSERTIONS}\")
set(LLVM_BUILD_LIBRARY_DIR \"${LLVM_LIBRARY_DIR}\")
set(LLVM_BUILD_MAIN_INCLUDE_DIR \"${LLVM_MAIN_INCLUDE_DIR}\")
set(LLVM_BUILD_MAIN_SRC_DIR \"${LLVM_MAIN_SRC_DIR}\")
set(LLVM_BUILD_TOOLS_BINARY_DIR \"${LLVM_TOOLS_BINARY_DIR}\")
")
set(LLVM_CONFIG_INCLUDE_DIRS
"${LLVM_MAIN_INCLUDE_DIR}"
"${LLVM_INCLUDE_DIR}"
)
set(LLVM_CONFIG_LIBRARY_DIRS
"${LLVM_LIBRARY_DIR}"
)
set(LLVM_CONFIG_CMAKE_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
configure_file(
LLVMConfig.cmake.in
${llvm_cmake_builddir}/LLVMConfig.cmake
@ -25,6 +42,26 @@ file(COPY .
PATTERN CMakeFiles EXCLUDE
)
# Generate LLVMConfig.cmake for the install tree.
set(LLVM_CONFIG_CODE "
# Compute the installation prefix from this LLVMConfig.cmake file location.
get_filename_component(LLVM_INSTALL_PREFIX \"\${CMAKE_CURRENT_LIST_FILE}\" PATH)")
# Construct the proper number of get_filename_component(... PATH)
# calls to compute the installation prefix.
string(REGEX REPLACE "/" ";" _count "${LLVM_INSTALL_PACKAGE_DIR}")
foreach(p ${_count})
set(LLVM_CONFIG_CODE "${LLVM_CONFIG_CODE}
get_filename_component(LLVM_INSTALL_PREFIX \"\${LLVM_INSTALL_PREFIX}\" PATH)")
endforeach(p)
set(LLVM_CONFIG_INCLUDE_DIRS "\${LLVM_INSTALL_PREFIX}/include")
set(LLVM_CONFIG_LIBRARY_DIRS "\${LLVM_INSTALL_PREFIX}/lib")
set(LLVM_CONFIG_CMAKE_DIR "\${LLVM_INSTALL_PREFIX}/${LLVM_INSTALL_PACKAGE_DIR}")
configure_file(
LLVMConfig.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/LLVMConfig.cmake
@ONLY)
# Generate LLVMConfigVersion.cmake for build and install tree.
configure_file(
LLVMConfigVersion.cmake.in
${llvm_cmake_builddir}/LLVMConfigVersion.cmake
@ -32,7 +69,7 @@ configure_file(
if (NOT LLVM_INSTALL_TOOLCHAIN_ONLY)
install(FILES
${llvm_cmake_builddir}/LLVMConfig.cmake
${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/LLVMConfig.cmake
${llvm_cmake_builddir}/LLVMConfigVersion.cmake
LLVM-Config.cmake
DESTINATION ${LLVM_INSTALL_PACKAGE_DIR})

12
cmake/modules/LLVMConfig.cmake.in
View File

@ -1,5 +1,7 @@
# This file provides information and services to the final user.
@LLVM_CONFIG_CODE@
set(LLVM_VERSION_MAJOR @LLVM_VERSION_MAJOR@)
set(LLVM_VERSION_MINOR @LLVM_VERSION_MINOR@)
set(LLVM_PACKAGE_VERSION @PACKAGE_VERSION@)
@ -36,11 +38,9 @@ set(HAVE_LIBZ @HAVE_LIBZ@)
set(LLVM_ON_UNIX @LLVM_ON_UNIX@)
set(LLVM_ON_WIN32 @LLVM_ON_WIN32@)
set(LLVM_INSTALL_PREFIX "@LLVM_INSTALL_PREFIX@")
set(LLVM_INCLUDE_DIRS ${LLVM_INSTALL_PREFIX}/include)
set(LLVM_LIBRARY_DIRS ${LLVM_INSTALL_PREFIX}/lib)
set(LLVM_INCLUDE_DIRS "@LLVM_CONFIG_INCLUDE_DIRS@")
set(LLVM_LIBRARY_DIRS "@LLVM_CONFIG_LIBRARY_DIRS@")
set(LLVM_DEFINITIONS "-D__STDC_LIMIT_MACROS" "-D__STDC_CONSTANT_MACROS")
set(LLVM_CMAKE_DIR "@LLVM_CONFIG_CMAKE_DIR@")
get_filename_component(_SELF_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
include(${_SELF_DIR}/LLVM-Config.cmake)
unset(_SELF_DIR)
include(${LLVM_CMAKE_DIR}/LLVM-Config.cmake)