skip building ptlsbench on non-amd64, as it depends on fusion
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6ef9125..b728e18 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,10 +7,23 @@
INCLUDE(cmake/dtrace-utils.cmake)
CHECK_DTRACE(${PROJECT_SOURCE_DIR}/picotls-probes.d)
+IF ((CMAKE_SIZEOF_VOID_P EQUAL 8) AND
+ (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64") OR
+ (CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64") OR
+ (CMAKE_SYSTEM_PROCESSOR STREQUAL "AMD64"))
+ SET(WITH_FUSION_DEFAULT "ON")
+ELSE ()
+ SET(WITH_FUSION_DEFAULT "OFF")
+ENDIF ()
+
OPTION(WITH_DTRACE "use USDT (userspace Dtrace probes)" ${HAVE_DTRACE})
+OPTION(WITH_FUSION "build 'fusion' AES-GCM engine" ${WITH_FUSION_DEFAULT})
IF (WITH_DTRACE)
MESSAGE(STATUS "Enabling USDT support")
ENDIF ()
+IF (WITH_FUSION)
+ MESSAGE(STATUS "Enabling 'fusion' AES-GCM engine")
+ENDIF ()
SET(CMAKE_C_FLAGS "-std=c99 -Wall -O2 -g ${CC_WARNING_FLAGS} ${CMAKE_C_FLAGS}")
INCLUDE_DIRECTORIES(
@@ -133,11 +146,7 @@
MESSAGE(WARNING "Disabling OpenSSL support (requires 1.0.1 or newer)")
ENDIF ()
-IF ((CMAKE_SIZEOF_VOID_P EQUAL 8) AND
- (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64") OR
- (CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64") OR
- (CMAKE_SYSTEM_PROCESSOR STREQUAL "AMD64"))
- MESSAGE(STATUS " Enabling fusion support")
+IF (WITH_FUSION)
ADD_LIBRARY(picotls-fusion lib/fusion.c)
SET_TARGET_PROPERTIES(picotls-fusion PROPERTIES COMPILE_FLAGS "-mavx2 -maes -mpclmul")
TARGET_LINK_LIBRARIES(picotls-fusion picotls-core)
@@ -158,6 +167,9 @@
ADD_EXECUTABLE(ptlsbench t/ptlsbench.c)
SET_TARGET_PROPERTIES(ptlsbench PROPERTIES COMPILE_FLAGS "-DPTLS_MEMORY_DEBUG=1")
TARGET_LINK_LIBRARIES(ptlsbench ${PTLSBENCH_LIBS})
+IF (NOT WITH_FUSION)
+ SET_TARGET_PROPERTIES(ptlsbench PROPERTIES EXCLUDE_FROM_ALL 1)
+ENDIF ()
ADD_CUSTOM_TARGET(check env BINARY_DIR=${CMAKE_CURRENT_BINARY_DIR} prove --exec '' -v ${CMAKE_CURRENT_BINARY_DIR}/*.t t/*.t WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} DEPENDS ${TEST_EXES} cli)
