Michael Davidsaver
161 lines
4.6 KiB
Makefile
161 lines
4.6 KiB
Makefile
TOP=..
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include $(TOP)/configure/CONFIG
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CMAKE ?= cmake
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ifdef T_A
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ifneq (,$(wildcard $(CURDIR)/../libevent/CMakeLists.txt))
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LIBEVENT_USE_CMAKE?=YES
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else
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LIBEVENT_USE_CMAKE?=NO
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endif
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CMAKEFLAGS = $(CMD_CMAKEFLAGS)
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# override definitions from CONFIG_PVXS_MODULE, but not from CLI arguments
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LIBEVENT = $(LIBEVENT_$(T_A))
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LIBEVENT_$(T_A) = $(INSTALL_LOCATION)/bundle/usr/$(T_A)
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CMAKEFLAGS += -DCMAKE_INSTALL_PREFIX:PATH=$(abspath $(LIBEVENT_$(T_A)))
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# not needed, and may not be available on embedded targets, so never try
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CMAKEFLAGS += -DEVENT__DISABLE_OPENSSL=ON
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# not run, so why bother?
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CMAKEFLAGS += -DEVENT__DISABLE_REGRESS=ON
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CMAKEFLAGS += -DEVENT__DISABLE_SAMPLES=ON
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CMAKEFLAGS += -DEVENT__DISABLE_TESTS=ON
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CMAKEFLAGS += -DEVENT__DISABLE_BENCHMARK=ON
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# searched for toolchain files
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CMAKEFLAGS += -DCMAKE_MODULE_PATH:DIR=$(abspath $(TOP)/bundle/cmake)
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CMAKEFLAGS += -DCMAKE_MAKE_PROGRAM="$(MAKE)"
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# check either $(HOST_OPT) or $(CROSS_OPT) depending on $(BUILD_CLASS)
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IS_OPT = $($(BUILD_CLASS)_OPT)
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# cmake build types: DEBUG RELEASE RELWITHDEBINFO MINSIZEREL
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CMAKEFLAGS_DEBUG_YES += -DCMAKE_BUILD_TYPE=RELEASE
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CMAKEFLAGS_DEBUG_NO += -DCMAKE_BUILD_TYPE=DEBUG
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CMAKEFLAGS += $(CMAKEFLAGS_DEBUG_$(IS_OPT))
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ifeq ($(OS_CLASS),WIN32)
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# On Win32 we must choose between only static and only shared
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CMAKEFLAGS_SHARED_YES += -DEVENT__LIBRARY_TYPE=SHARED
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else
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CMAKEFLAGS_SHARED_YES += -DEVENT__LIBRARY_TYPE=BOTH
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endif
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CMAKEFLAGS_SHARED_NO += -DEVENT__LIBRARY_TYPE=STATIC
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CMAKEFLAGS += $(CMAKEFLAGS_SHARED_$(SHARED_LIBRARIES))
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ifneq (,$(filter linux-%,$(EPICS_HOST_ARCH)))
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# cross mingw hosted on linux
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CMAKE_TOOLCHAIN_windows-x64-mingw ?= x86_64-w64-mingw32
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endif
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ifneq (,$(filter win%,$(EPICS_HOST_ARCH)))
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CMAKEFLAGS += -G "MinGW Makefiles" -DCMAKE_C_COMPILER="$(CC)"
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endif
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# toolchain file when cross compiling
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CMAKE_TOOLCHAIN ?= $(CMAKE_TOOLCHAIN_$(T_A))
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CMAKEFLAGS += $(if $(CMAKE_TOOLCHAIN),-DCMAKE_TOOLCHAIN_FILE=$(CMAKE_TOOLCHAIN))
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# flags for cmake --build
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# eg. "-j 2" (that space is important)
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CBUILDFLAGS +=
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endif # T_A
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all: help
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help:
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$(ECHO) "Building of bundled libevent is not automatic!"
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$(ECHO) " Requires $(CMAKE)"
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$(ECHO) " Possible targets: $(CROSS_COMPILER_TARGET_ARCHS)"
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$(ECHO) ""
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$(ECHO) "Usage:"
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$(ECHO) " # alias for libevent.$(EPICS_HOST_ARCH)"
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$(ECHO) " make -C bundle libevent"
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$(ECHO) " # build for one target"
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$(ECHO) " make -C bundle libevent.<epics-arch>"
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$(ECHO) " # remove all target"
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$(ECHO) " make -C bundle clean # remove all for targets"
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$(ECHO) " # remove one target"
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$(ECHO) " make -C bundle clean.<epics-arch> # remove for one target"
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libevent: libevent.$(EPICS_HOST_ARCH)
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clean:
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$(RMDIR) $(CURDIR)/O.* $(CURDIR)/usr
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clean.%:
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$(RMDIR) $(CURDIR)/O.$* $(CURDIR)/usr/$*
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ifndef T_A
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# re-entry this Makefile with target configuration
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libevent.%:
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$(MKDIR) $(CURDIR)/O.$*
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$(MAKE) -C $(CURDIR)/O.$* -f $(CURDIR)/Makefile TOP=$(TOP)/.. T_A=$* libevent.$*
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else # T_A
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ifeq (YES,$(LIBEVENT_USE_CMAKE))
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# libevent >= 2.1 prefer CMake
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libevent.%:
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$(CMAKE) $(CMAKEFLAGS) ../libevent
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$(CMAKE) -E env --unset=MAKEFLAGS --unset=CC $(CMAKE) --build . $(CBUILDFLAGS) --target install
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ifneq (,$(filter %mingw,$(T_A)))
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ifeq (NO,$(SHARED_LIBRARIES))
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$(CP) $(LIBEVENT_$(T_A))/lib/libevent_core.a $(LIBEVENT_$(T_A))/lib/event_core.lib
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# HACK: when STATIC_BUILD=YES we (in configure/RULES_PVXS_MODULE) inject the event_core
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# dependency via <target>_LIBS += event_core which requires end existance of
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# $(event_core_DIR)/event_core.lib however, cmake outputs the *nix style name
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# libevent_core.a (probably because it can coexist with the dll import library
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# named libevent_core.dll.a).
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# As a crutch we make a copy
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endif
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endif
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else
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# libevent 2.0 only autotools
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# only host CC supported
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CONFIGUREFLAGS += --disable-openssl
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ifeq ($(OS_CLASS),WIN32)
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# On Win32 we must choose between only static and only shared
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CONFIGUREFLAGS_SHARED_YES += --enable-shared --disable-static
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else
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CONFIGUREFLAGS_SHARED_YES += --enable-shared --enable-static
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endif
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CONFIGUREFLAGS_SHARED_NO += --disable-shared --enable-static
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CONFIGUREFLAGS += $(CONFIGUREFLAGS_SHARED_$(SHARED_LIBRARIES))
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libevent.%: ../libevent/configuration
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[ -f Makefile ] || ../libevent/configure --prefix=$(abspath $(LIBEVENT_$(T_A))) $(CONFIGUREFLAGS)
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$(MAKE) install
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../libevent/configuration:
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(cd ../libevent && autoreconf -ivf)
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endif
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endif # T_A
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.PHONY: libevent libevent.%
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# These rules support printing a Makefile variable values.
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# Many variables are only set inside an O.<arch> build directory.
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# make PRINT.T_A
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PRINT_Var = $(@:PRINT.%=%)
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PRINT.%:
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@echo $(PRINT_Var) = '$($(PRINT_Var))'
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.PHONY: PRINT PRINT.%
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