cmake: fix NEON checks
1 files changed +20 −3
- • CMakeLists.txt
| 1 | diff --git a/CMakeLists.txt b/CMakeLists.txt |
| 2 | index 545d934..7cea13a 100644 |
| 3 | --- a/CMakeLists.txt |
| 4 | +++ b/CMakeLists.txt |
| 5 | @@ -27,6 +27,23 @@ project(pixman |
| 6 | |
| 7 | enable_language(ASM) |
| 8 | |
| 9 | +# check_source_compiles() does not support the ASM language, so provide our |
| 10 | +# own helper that compiles a standalone .S file via try_compile(). |
| 11 | +function(check_asm_source_compiles SOURCE VAR) |
| 12 | + if(NOT DEFINED "${VAR}") |
| 13 | + set(_asm_src_file "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp/${VAR}.S") |
| 14 | + file(WRITE "${_asm_src_file}" "${SOURCE}") |
| 15 | + set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY) |
| 16 | + try_compile(${VAR} "${CMAKE_BINARY_DIR}/CMakeFiles/CMakeTmp" "${_asm_src_file}") |
| 17 | + if(${VAR}) |
| 18 | + message(STATUS "Performing Test ${VAR} - Success") |
| 19 | + else() |
| 20 | + message(STATUS "Performing Test ${VAR} - Failed") |
| 21 | + endif() |
| 22 | + endif() |
| 23 | + set(${VAR} "${${VAR}}" CACHE INTERNAL "Test ${VAR}") |
| 24 | +endfunction() |
| 25 | + |
| 26 | include(GNUInstallDirs) |
| 27 | include(CheckCSourceCompiles) |
| 28 | include(CheckSourceCompiles) |
| 29 | @@ -250,7 +267,7 @@ endif() |
| 30 | set(USE_ARM_SIMD FALSE) |
| 31 | if(PIXMAN_ENABLE_ARM_SIMD AND PIXMAN_ARM) |
| 32 | file(READ "${CMAKE_SOURCE_DIR}/arm-simd-test.S" PIXMAN_ARM_SIMD_TEST_SRC) |
| 33 | - check_source_compiles(ASM "${PIXMAN_ARM_SIMD_TEST_SRC}" HAVE_ARM_SIMD) |
| 34 | + check_asm_source_compiles("${PIXMAN_ARM_SIMD_TEST_SRC}" HAVE_ARM_SIMD) |
| 35 | if(HAVE_ARM_SIMD) |
| 36 | set(USE_ARM_SIMD TRUE) |
| 37 | endif() |
| 38 | @@ -260,7 +277,7 @@ endif() |
| 39 | set(USE_ARM_NEON FALSE) |
| 40 | if(PIXMAN_ENABLE_ARM_NEON AND PIXMAN_ARM) |
| 41 | file(READ "${CMAKE_SOURCE_DIR}/neon-test.S" PIXMAN_NEON_TEST_SRC) |
| 42 | - check_source_compiles(ASM "${PIXMAN_NEON_TEST_SRC}" HAVE_ARM_NEON) |
| 43 | + check_asm_source_compiles("${PIXMAN_NEON_TEST_SRC}" HAVE_ARM_NEON) |
| 44 | if(HAVE_ARM_NEON) |
| 45 | set(USE_ARM_NEON TRUE) |
| 46 | endif() |
| 47 | @@ -270,7 +287,7 @@ endif() |
| 48 | set(USE_ARM_A64_NEON FALSE) |
| 49 | if(PIXMAN_ENABLE_ARM_A64_NEON AND PIXMAN_AARCH64) |
| 50 | file(READ "${CMAKE_SOURCE_DIR}/a64-neon-test.S" PIXMAN_A64_NEON_TEST_SRC) |
| 51 | - check_source_compiles(ASM "${PIXMAN_A64_NEON_TEST_SRC}" HAVE_ARM_A64_NEON) |
| 52 | + check_asm_source_compiles("${PIXMAN_A64_NEON_TEST_SRC}" HAVE_ARM_A64_NEON) |
| 53 | if(HAVE_ARM_A64_NEON) |
| 54 | set(USE_ARM_A64_NEON TRUE) |
| 55 | endif() |