Generalized makefile approach to find libraries and include files allowing different platforms to simply describe where to check for required components.
It now explicitly reports which libraries are being referenced.
This commit is contained in:
Mark Pizzolato
parent
07e1738745
commit
22b130be23
1 changed files with 87 additions and 36 deletions
103
makefile
103
makefile
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@ -11,6 +11,15 @@
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#
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# CC Command (and platform available options). (Poor man's autoconf)
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#
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# In general, the logic below will detect and build with the available
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# features which the host build environment provides.
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#
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# Readline support can be disabled if GNU make is invoked with
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# DONT_USE_READLINE=1 on the command line.
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#
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# Internal ROM support can be disabled if GNU make is invoked with
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# DONT_USE_ROMS=1 on the command line.
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#
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ifeq ($(WIN32),)
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#*nix Environments (&& cygwin)
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GCC = gcc
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@ -19,81 +28,123 @@ ifeq ($(WIN32),)
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else
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TEST = test
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endif
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INCPATH=/usr/include
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LIBPATH=/usr/lib
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OS_CCDEFS = -D_GNU_SOURCE
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ifeq (Darwin,$(shell uname))
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LIBEXT = dylib
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else
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ifeq (Linux,$(shell uname))
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LIBEXT = so
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ifeq (usrlib64,$(shell if $(TEST) -d /usr/lib64; then echo usrlib64; fi))
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LIBPATH += /usr/lib64
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endif
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ifeq (lib32,$(shell if $(TEST) -d /usr/lib32; then echo lib32; fi))
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LIBPATH += /usr/lib32
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endif
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else
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ifeq (SunOS,$(shell uname))
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LIBEXT = so
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OS_LDFLAGS += -lsocket -lnsl
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ifeq (incsfw,$(shell if $(TEST) -d /opt/sfw/include; then echo incsfw; fi))
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INCPATH += /opt/sfw/include
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OS_CCDEFS += -I/opt/sfw/include
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endif
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ifeq (libsfw,$(shell if $(TEST) -d /opt/sfw/lib; then echo libsfw; fi))
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LIBPATH += /opt/sfw/lib
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OS_LDFLAGS += -L/opt/sfw/lib -R/opt/sfw/lib
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endif
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else
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ifeq (usrpkglib,$(shell if $(TEST) -d /usr/pkg/lib; then echo usrpkglib; fi))
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LIBPATH += /usr/pkg/lib
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OS_LDFLAGS += -L/usr/pkg/lib -R/usr/pkg/lib
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endif
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LIBEXT = a
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endif
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endif
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endif
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OS_CCDEFS = -D_GNU_SOURCE
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ifeq (libm,$(shell if $(TEST) -e /usr/lib/libm.$(LIBEXT) -o -e /usr/lib64/libm.$(LIBEXT); then echo libm; fi))
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OS_LDFLAGS += -lm
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endif
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ifeq (SunOS,$(shell uname))
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OS_CCDEFS += -I/opt/sfw/include
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OS_LDFLAGS += -lsocket -lnsl -L/opt/sfw/lib -R/opt/sfw/lib
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endif
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ifeq (cygwin,$(findstring cygwin,$(OSTYPE)))
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OS_CCDEFS += -O2
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endif
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ifeq (librt,$(shell if $(TEST) -e /usr/lib/librt.$(LIBEXT) -o -e /usr/lib64/librt.$(LIBEXT); then echo librt; fi))
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OS_LDFLAGS += -lrt
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find_lib = $(strip $(firstword $(foreach dir,$(strip $(LIBPATH)),$(wildcard $(dir)/lib$(1).$(LIBEXT)))))
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find_include = $(strip $(firstword $(foreach dir,$(strip $(INCPATH)),$(wildcard $(dir)/$(1).h))))
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ifneq (,$(call find_lib,m))
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OS_LDFLAGS += -lm
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$(info using libm: $(call find_lib,m))
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endif
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ifeq (libpthread,$(shell if $(TEST) -e /usr/lib/libpthread.$(LIBEXT) -o -e /usr/lib64/libpthread.$(LIBEXT); then echo libpthread; fi))
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ifneq (,$(call find_lib,rt))
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OS_LDFLAGS += -lrt
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$(info using librt: $(call find_lib,rt))
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endif
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ifneq (,$(call find_lib,pthread))
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ifneq (,$(call find_include,pthread))
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OS_CCDEFS += -DSIM_ASYNCH_IO -DUSE_READER_THREAD
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OS_LDFLAGS += -lpthread
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$(info using libpthread: $(call find_lib,pthread) $(call find_include,pthread))
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endif
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ifeq (readline,$(shell if $(TEST) -e /usr/lib/libreadline.$(LIBEXT) -o -e /usr/lib64/libreadline.$(LIBEXT) -o -e /opt/sfw/lib/libreadline.a; then echo readline; fi))
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ifeq (readline_h,$(shell if $(TEST) -e /usr/include/readline/readline.h -o -e /usr/include/readline.h -o -e /opt/sfw/include/readline/readline.h; then echo readline_h; fi))
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endif
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ifeq ($(DONT_USE_READLINE),)
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ifneq (,$(call find_include,readline/readline))
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ifneq (,$(call find_lib,readline))
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# Use Locally installed and available readline support
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ifeq (ncurses,$(shell if $(TEST) -e /usr/lib/libncurses.$(LIBEXT) -o -e /opt/sfw/lib/libncurses.a; then echo ncurses; fi))
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ifneq (,$(call find_lib,ncurses))
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OS_CCDEFS += -DHAVE_READLINE
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OS_LDFLAGS += -lreadline -lncurses
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$(info using libreadline and libncurses: $(call find_lib,readline) $(call find_lib,ncurses) $(call find_include,readline/readline))
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else
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ifeq (curses,$(shell if $(TEST) -e /usr/lib/libcurses.$(LIBEXT); then echo curses; fi))
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ifneq (,$(call find_lib,curses))
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OS_CCDEFS += -DHAVE_READLINE
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OS_LDFLAGS += -lreadline -lcurses
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else
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ifeq (solaris_readline,$(shell if $(TEST) ! -e /opt/sfw/lib/libreadline.a; then echo solaris_readline; fi))
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OS_CCDEFS += -DHAVE_READLINE
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OS_LDFLAGS += -lreadline
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$(info using libreadline and libcurses: $(call find_lib,readline) $(call find_lib,curses) $(call find_include,readline/readline))
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endif
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endif
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endif
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endif
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endif
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ifeq (pcap,$(shell if $(TEST) -e /usr/include/pcap.h -o -e /opt/sfw/include/pcap.h; then echo pcap; fi))
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# Use Locally installed and available pcap support
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ifneq (,$(call find_lib,pcap))
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ifneq (,$(call find_include,pcap))
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NETWORK_CCDEFS = -DUSE_NETWORK
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NETWORK_LDFLAGS = -lpcap
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$(info using libpcap: $(call find_lib,pcap) $(call find_include,pcap))
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endif
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ifeq (vde,$(shell if $(TEST) -e /usr/include/libvdeplug.h -a \( -e /usr/lib/libvdeplug.$(LIBEXT) -o -e /usr/lib64/libvdeplug.$(LIBEXT) \); then echo vde; fi))
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endif
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ifneq (,$(call find_lib,vdeplug))
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ifneq (,$(call find_include,libvdeplug))
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# Provide support for vde networking
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NETWORK_CCDEFS += -DUSE_VDE_NETWORK
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NETWORK_LDFLAGS += -lvdeplug
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$(info using libvdeplug: $(call find_lib,vdeplug) $(call find_include,libvdeplug))
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endif
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ifeq (tuntap,$(shell if $(TEST) -e /usr/include/linux/if_tun.h; then echo tuntap; fi))
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endif
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ifneq (,$(call find_include,linux/if_tun))
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# Provide support for Tap networking on Linux
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NETWORK_CCDEFS += -DUSE_TAP_NETWORK
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endif
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ifeq (bsdtuntap,$(shell if $(TEST) -e /usr/include/net/if_tun.h -o -e /Library/Extensions/tap.kext; then echo bsdtuntap; fi))
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# Provide support for Tap networking
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# Provide support for Tap networking on BSD platforms (including OS X)
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NETWORK_CCDEFS += -DUSE_TAP_NETWORK -DUSE_BSDTUNTAP
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endif
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ifneq (binexists,$(shell if $(TEST) -e BIN; then echo binexists; fi))
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MKDIRBIN = if $(TEST) ! -e BIN; then mkdir BIN; fi
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endif
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NETWORK_OPT = $(NETWORK_CCDEFS)
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ifneq ($(USE_NETWORK),)
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# Assume built from tcpdump.org sources with default install target
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ifneq ($(USE_NETWORK),) # Network support specified on the GNU make command line
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ifneq (USE_NETWORK,$(findstring USE_NETWORK,$(NETWORK_CCDEFS)))
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# Look for package built from tcpdump.org sources with default install target
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LIBPATH += /usr/local/lib
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INCPATH += /usr/local/include
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LIBEXT = a
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ifneq (,$(call find_lib,pcap))
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ifneq (,$(call find_include,pcap))
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NETWORK_OPT = -DUSE_NETWORK -isystem /usr/local/include /usr/local/lib/libpcap.a
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$(info using libpcap: $(call find_lib,pcap) $(call find_include,pcap))
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else
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$(error using libpcap: $(call find_lib,pcap) missing pcap.h)
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endif
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else
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$(error missing libpcap)
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endif
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endif
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endif
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else
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#Win32 Environments (via MinGW32)
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