CMake: build llvm-config on Windows.

It was previously not being built on Windows because the cmake file relied
on a sed script to generate a .in file that llvm-config needs.

By using cmake's configure_file function, we can get rid off the sed hack,
and also have this work on Windows.

Differential Revision: http://llvm-reviews.chandlerc.com/D1481

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189125 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hans Wennborg 2013-08-23 17:59:13 +00:00
parent 12d3dc73dc
commit 3eb7322ca1
2 changed files with 12 additions and 30 deletions

View File

@ -2,13 +2,7 @@
# three small executables. This is done to minimize memory load in parallel
# builds. Please retain this ordering.
if( NOT WIN32 OR MSYS OR CYGWIN )
# We currently require 'sed' to build llvm-config, so don't try to build it
# on pure Win32.
add_llvm_tool_subdirectory(llvm-config)
else()
ignore_llvm_tool_subdirectory(llvm-config)
endif()
add_llvm_tool_subdirectory(llvm-config)
add_llvm_tool_subdirectory(opt)
add_llvm_tool_subdirectory(llvm-as)

View File

@ -1,37 +1,25 @@
set(LLVM_LINK_COMPONENTS support)
# We need to generate the BuildVariables.inc file containing values which are
# only defined when under certain build modes. Unfortunately, that precludes
# doing this inside CMake so we have to shell out to sed. For now, that means we
# can't expect to build llvm-config on Window.s
set(BUILDVARIABLES_SRCPATH ${CMAKE_CURRENT_SOURCE_DIR}/BuildVariables.inc.in)
set(BUILDVARIABLES_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.inc)
set(SEDSCRIPT_OBJPATH ${CMAKE_CURRENT_BINARY_DIR}/BuildVariables.configure.sed)
# Compute the substitution values for various items.
get_system_libs(LLVM_SYSTEM_LIBS_LIST)
foreach(l ${LLVM_SYSTEM_LIBS_LIST})
set(SYSTEM_LIBS ${SYSTEM_LIBS} "-l${l}")
endforeach()
set(C_FLGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
set(CXX_FLGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
set(CPP_FLGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
add_custom_command(OUTPUT ${BUILDVARIABLES_OBJPATH}
COMMAND echo s!@LLVM_SRC_ROOT@!${LLVM_MAIN_SRC_DIR}! > ${SEDSCRIPT_OBJPATH}
COMMAND echo s!@LLVM_OBJ_ROOT@!${LLVM_BINARY_DIR}! >> ${SEDSCRIPT_OBJPATH}
COMMAND echo s!@LLVM_CPPFLAGS@!${CPP_FLGS}! >> ${SEDSCRIPT_OBJPATH}
COMMAND echo s!@LLVM_CFLAGS@!${C_FLGS}! >> ${SEDSCRIPT_OBJPATH}
COMMAND echo s!@LLVM_CXXFLAGS@!${CXX_FLGS}! >> ${SEDSCRIPT_OBJPATH}
# TODO: Use general flags for linking! not just for shared libs:
COMMAND echo s!@LLVM_LDFLAGS@!${CMAKE_SHARED_LINKER_FLAGS}! >> ${SEDSCRIPT_OBJPATH}
COMMAND echo s!@LLVM_BUILDMODE@!${CMAKE_BUILD_TYPE}! >> ${SEDSCRIPT_OBJPATH}
COMMAND echo s!@LLVM_SYSTEM_LIBS@!${SYSTEM_LIBS}! >> ${SEDSCRIPT_OBJPATH}
COMMAND echo s!@LLVM_TARGETS_BUILT@!${LLVM_TARGETS_TO_BUILD}! >> ${SEDSCRIPT_OBJPATH}
COMMAND sed -f ${SEDSCRIPT_OBJPATH} < ${BUILDVARIABLES_SRCPATH} > ${BUILDVARIABLES_OBJPATH}
VERBATIM
COMMENT "Building BuildVariables.inc include."
)
# Use configure_file to create BuildVariables.inc.
set(LLVM_SRC_ROOT ${LLVM_MAIN_SRC_DIR})
set(LLVM_OBJ_ROOT ${LLVM_BINARY_DIR})
set(LLVM_CPPFLAGS "${CMAKE_CPP_FLAGS} ${CMAKE_CPP_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
set(LLVM_CFLAGS "${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
set(LLVM_CXXFLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_${uppercase_CMAKE_BUILD_TYPE}} ${LLVM_DEFINITIONS}")
set(LLVM_LDFLAGS ${CMAKE_SHARED_LINKER_FLAGS})
set(LLVM_BUILDMODE ${CMAKE_BUILD_TYPE})
set(LLVM_SYSTEM_LIBS ${SYSTEM_LIBS})
set(LLVM_TARGETS_BUILT ${LLVM_TARGETS_TO_BUILD})
configure_file(${BUILDVARIABLES_SRCPATH} ${BUILDVARIABLES_OBJPATH} @ONLY)
# Add the llvm-config tool.
add_llvm_tool(llvm-config