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cmake: check the generator for fat runtime builds

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The RULE_LAUNCH_COMPILE property only works for Unix Makefiles, or
for Ninja with CMake newer than v3.0.
This commit is contained in:
Matthew Barr 2016-12-14 15:15:37 +11:00
parent 8334745063
commit 2f57681bb6
1 changed files with 8 additions and 2 deletions
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10
CMakeLists.txt
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@ -209,7 +209,6 @@ else()
endif() endif()
if (NOT CMAKE_C_FLAGS MATCHES .*march.*) if (NOT CMAKE_C_FLAGS MATCHES .*march.*)
message(STATUS "Building for current host CPU")
set(ARCH_C_FLAGS "${ARCH_C_FLAGS} -march=native -mtune=native") set(ARCH_C_FLAGS "${ARCH_C_FLAGS} -march=native -mtune=native")
endif() endif()
@ -258,11 +257,16 @@ endif()
if (CMAKE_SYSTEM_NAME MATCHES "Linux") if (CMAKE_SYSTEM_NAME MATCHES "Linux")
# This is a Linux-only feature for now - requires platform support # This is a Linux-only feature for now - requires platform support
# elsewhere # elsewhere
message(STATUS "generator is ${CMAKE_GENERATOR}")
if (CMAKE_C_COMPILER_ID MATCHES "Clang" AND if (CMAKE_C_COMPILER_ID MATCHES "Clang" AND
CMAKE_C_COMPILER_VERSION VERSION_LESS "3.9") CMAKE_C_COMPILER_VERSION VERSION_LESS "3.9")
message (STATUS "Clang v3.9 or higher required for fat runtime, cannot build fat runtime") message (STATUS "Clang v3.9 or higher required for fat runtime, cannot build fat runtime")
set (FAT_RUNTIME_REQUISITES FALSE) set (FAT_RUNTIME_REQUISITES FALSE)
else () elseif (NOT (CMAKE_GENERATOR MATCHES "Unix Makefiles" OR
(CMAKE_VERSION VERSION_GREATER "3.0" AND CMAKE_GENERATOR MATCHES "Ninja")))
message (STATUS "Building the fat runtime requires the Unix Makefiles generator, or Ninja with CMake v3.0 or higher")
set (FAT_RUNTIME_REQUISITES FALSE)
else()
include (${CMAKE_MODULE_PATH}/attrib.cmake) include (${CMAKE_MODULE_PATH}/attrib.cmake)
if (NOT HAS_C_ATTR_IFUNC) if (NOT HAS_C_ATTR_IFUNC)
message(STATUS "Compiler does not support ifunc attribute, cannot build fat runtime") message(STATUS "Compiler does not support ifunc attribute, cannot build fat runtime")
@ -386,9 +390,11 @@ endif()
endif() endif()
if (NOT FAT_RUNTIME) if (NOT FAT_RUNTIME)
message(STATUS "Building for current host CPU")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ARCH_C_FLAGS}") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ARCH_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARCH_CXX_FLAGS}") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARCH_CXX_FLAGS}")
else() else()
message(STATUS "Building runtime for multiple microarchitectures")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}") set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
endif() endif()