ifneq ($(KERNEL),Darwin)
LDFLAGS += -Wl,--no-as-needed
endif
+
+ gccversion = $(shell $(CXX) --version)
+ gccisclang = $(findstring clang,$(gccversion))
endif
ifeq ($(COMP),mingw)
endif
ifeq ($(KERNEL),Darwin)
- CXXFLAGS += -arch $(arch) -mmacosx-version-min=10.15
- LDFLAGS += -arch $(arch) -mmacosx-version-min=10.15
+ CXXFLAGS += -arch $(arch) -mmacosx-version-min=10.14
+ LDFLAGS += -arch $(arch) -mmacosx-version-min=10.14
endif
### Travis CI script uses COMPILER to overwrite CXX
### needs access to the optimization flags.
ifeq ($(optimize),yes)
ifeq ($(debug), no)
- ifeq ($(comp),$(filter $(comp),gcc clang))
+ ifeq ($(comp),clang)
+ CXXFLAGS += -flto=thin
+ LDFLAGS += $(CXXFLAGS)
+
+# GCC and CLANG use different methods for parallelizing LTO and CLANG pretends to be
+# GCC on some systems.
+ else ifeq ($(comp),gcc)
+ ifeq ($(gccisclang),)
CXXFLAGS += -flto
+ LDFLAGS += $(CXXFLAGS) -flto=jobserver
+ else
+ CXXFLAGS += -flto=thin
LDFLAGS += $(CXXFLAGS)
endif
# To use LTO and static linking on windows, the tool chain requires a recent gcc:
# gcc version 10.1 in msys2 or TDM-GCC version 9.2 are know to work, older might not.
# So, only enable it for a cross from Linux by default.
- ifeq ($(comp),mingw)
+ else ifeq ($(comp),mingw)
ifeq ($(KERNEL),Linux)
CXXFLAGS += -flto
- LDFLAGS += $(CXXFLAGS)
+ LDFLAGS += $(CXXFLAGS) -flto=jobserver
endif
endif
endif
@test "$(comp)" = "gcc" || test "$(comp)" = "icc" || test "$(comp)" = "mingw" || test "$(comp)" = "clang"
$(EXE): $(OBJS)
- $(CXX) -o $@ $(OBJS) $(LDFLAGS)
+ +$(CXX) -o $@ $(OBJS) $(LDFLAGS)
clang-profile-make:
$(MAKE) ARCH=$(ARCH) COMP=$(COMP) \