folkert/simh-testsetgenerator
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Generalized makefile approach to find libraries and include files allowing different platforms to simply describe where to check for required components.

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It now explicitly reports which libraries are being referenced.
This commit is contained in:
Mark Pizzolato 2011-11-15 14:42:44 -08:00
parent 07e1738745
commit 22b130be23
1 changed files with 87 additions and 36 deletions
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103
makefile
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@ -11,6 +11,15 @@
# #
# CC Command (and platform available options). (Poor man's autoconf) # CC Command (and platform available options). (Poor man's autoconf)
# #
# In general, the logic below will detect and build with the available
# features which the host build environment provides.
#
# Readline support can be disabled if GNU make is invoked with
# DONT_USE_READLINE=1 on the command line.
#
# Internal ROM support can be disabled if GNU make is invoked with
# DONT_USE_ROMS=1 on the command line.
#
ifeq ($(WIN32),) ifeq ($(WIN32),)
#*nix Environments (&& cygwin) #*nix Environments (&& cygwin)
GCC = gcc GCC = gcc
@ -19,81 +28,123 @@ ifeq ($(WIN32),)
else else
TEST = test TEST = test
endif endif
INCPATH=/usr/include
LIBPATH=/usr/lib
OS_CCDEFS = -D_GNU_SOURCE
ifeq (Darwin,$(shell uname)) ifeq (Darwin,$(shell uname))
LIBEXT = dylib LIBEXT = dylib
else else
ifeq (Linux,$(shell uname)) ifeq (Linux,$(shell uname))
LIBEXT = so LIBEXT = so
ifeq (usrlib64,$(shell if $(TEST) -d /usr/lib64; then echo usrlib64; fi))
LIBPATH += /usr/lib64
endif
ifeq (lib32,$(shell if $(TEST) -d /usr/lib32; then echo lib32; fi))
LIBPATH += /usr/lib32
endif
else else
ifeq (SunOS,$(shell uname)) ifeq (SunOS,$(shell uname))
LIBEXT = so LIBEXT = so
OS_LDFLAGS += -lsocket -lnsl
ifeq (incsfw,$(shell if $(TEST) -d /opt/sfw/include; then echo incsfw; fi))
INCPATH += /opt/sfw/include
OS_CCDEFS += -I/opt/sfw/include
endif
ifeq (libsfw,$(shell if $(TEST) -d /opt/sfw/lib; then echo libsfw; fi))
LIBPATH += /opt/sfw/lib
OS_LDFLAGS += -L/opt/sfw/lib -R/opt/sfw/lib
endif
else else
ifeq (usrpkglib,$(shell if $(TEST) -d /usr/pkg/lib; then echo usrpkglib; fi))
LIBPATH += /usr/pkg/lib
OS_LDFLAGS += -L/usr/pkg/lib -R/usr/pkg/lib
endif
LIBEXT = a LIBEXT = a
endif endif
endif endif
endif endif
OS_CCDEFS = -D_GNU_SOURCE
ifeq (libm,$(shell if $(TEST) -e /usr/lib/libm.$(LIBEXT) -o -e /usr/lib64/libm.$(LIBEXT); then echo libm; fi))
OS_LDFLAGS += -lm
endif
ifeq (SunOS,$(shell uname))
OS_CCDEFS += -I/opt/sfw/include
OS_LDFLAGS += -lsocket -lnsl -L/opt/sfw/lib -R/opt/sfw/lib
endif
ifeq (cygwin,$(findstring cygwin,$(OSTYPE))) ifeq (cygwin,$(findstring cygwin,$(OSTYPE)))
OS_CCDEFS += -O2 OS_CCDEFS += -O2
endif endif
ifeq (librt,$(shell if $(TEST) -e /usr/lib/librt.$(LIBEXT) -o -e /usr/lib64/librt.$(LIBEXT); then echo librt; fi)) find_lib = $(strip $(firstword $(foreach dir,$(strip $(LIBPATH)),$(wildcard $(dir)/lib$(1).$(LIBEXT)))))
OS_LDFLAGS += -lrt find_include = $(strip $(firstword $(foreach dir,$(strip $(INCPATH)),$(wildcard $(dir)/$(1).h))))
ifneq (,$(call find_lib,m))
OS_LDFLAGS += -lm
$(info using libm: $(call find_lib,m))
endif endif
ifeq (libpthread,$(shell if $(TEST) -e /usr/lib/libpthread.$(LIBEXT) -o -e /usr/lib64/libpthread.$(LIBEXT); then echo libpthread; fi)) ifneq (,$(call find_lib,rt))
OS_LDFLAGS += -lrt
$(info using librt: $(call find_lib,rt))
endif
ifneq (,$(call find_lib,pthread))
ifneq (,$(call find_include,pthread))
OS_CCDEFS += -DSIM_ASYNCH_IO -DUSE_READER_THREAD OS_CCDEFS += -DSIM_ASYNCH_IO -DUSE_READER_THREAD
OS_LDFLAGS += -lpthread OS_LDFLAGS += -lpthread
$(info using libpthread: $(call find_lib,pthread) $(call find_include,pthread))
endif endif
ifeq (readline,$(shell if $(TEST) -e /usr/lib/libreadline.$(LIBEXT) -o -e /usr/lib64/libreadline.$(LIBEXT) -o -e /opt/sfw/lib/libreadline.a; then echo readline; fi)) endif
ifeq (readline_h,$(shell if $(TEST) -e /usr/include/readline/readline.h -o -e /usr/include/readline.h -o -e /opt/sfw/include/readline/readline.h; then echo readline_h; fi)) ifeq ($(DONT_USE_READLINE),)
ifneq (,$(call find_include,readline/readline))
ifneq (,$(call find_lib,readline))
# Use Locally installed and available readline support # Use Locally installed and available readline support
ifeq (ncurses,$(shell if $(TEST) -e /usr/lib/libncurses.$(LIBEXT) -o -e /opt/sfw/lib/libncurses.a; then echo ncurses; fi)) ifneq (,$(call find_lib,ncurses))
OS_CCDEFS += -DHAVE_READLINE OS_CCDEFS += -DHAVE_READLINE
OS_LDFLAGS += -lreadline -lncurses OS_LDFLAGS += -lreadline -lncurses
$(info using libreadline and libncurses: $(call find_lib,readline) $(call find_lib,ncurses) $(call find_include,readline/readline))
else else
ifeq (curses,$(shell if $(TEST) -e /usr/lib/libcurses.$(LIBEXT); then echo curses; fi)) ifneq (,$(call find_lib,curses))
OS_CCDEFS += -DHAVE_READLINE OS_CCDEFS += -DHAVE_READLINE
OS_LDFLAGS += -lreadline -lcurses OS_LDFLAGS += -lreadline -lcurses
else $(info using libreadline and libcurses: $(call find_lib,readline) $(call find_lib,curses) $(call find_include,readline/readline))
ifeq (solaris_readline,$(shell if $(TEST) ! -e /opt/sfw/lib/libreadline.a; then echo solaris_readline; fi))
OS_CCDEFS += -DHAVE_READLINE
OS_LDFLAGS += -lreadline
endif endif
endif endif
endif endif
endif endif
endif endif
ifeq (pcap,$(shell if $(TEST) -e /usr/include/pcap.h -o -e /opt/sfw/include/pcap.h; then echo pcap; fi)) ifneq (,$(call find_lib,pcap))
# Use Locally installed and available pcap support ifneq (,$(call find_include,pcap))
NETWORK_CCDEFS = -DUSE_NETWORK NETWORK_CCDEFS = -DUSE_NETWORK
NETWORK_LDFLAGS = -lpcap NETWORK_LDFLAGS = -lpcap
$(info using libpcap: $(call find_lib,pcap) $(call find_include,pcap))
endif endif
ifeq (vde,$(shell if $(TEST) -e /usr/include/libvdeplug.h -a \( -e /usr/lib/libvdeplug.$(LIBEXT) -o -e /usr/lib64/libvdeplug.$(LIBEXT) \); then echo vde; fi)) endif
ifneq (,$(call find_lib,vdeplug))
ifneq (,$(call find_include,libvdeplug))
# Provide support for vde networking # Provide support for vde networking
NETWORK_CCDEFS += -DUSE_VDE_NETWORK NETWORK_CCDEFS += -DUSE_VDE_NETWORK
NETWORK_LDFLAGS += -lvdeplug NETWORK_LDFLAGS += -lvdeplug
$(info using libvdeplug: $(call find_lib,vdeplug) $(call find_include,libvdeplug))
endif endif
ifeq (tuntap,$(shell if $(TEST) -e /usr/include/linux/if_tun.h; then echo tuntap; fi)) endif
ifneq (,$(call find_include,linux/if_tun))
# Provide support for Tap networking on Linux # Provide support for Tap networking on Linux
NETWORK_CCDEFS += -DUSE_TAP_NETWORK NETWORK_CCDEFS += -DUSE_TAP_NETWORK
endif endif
ifeq (bsdtuntap,$(shell if $(TEST) -e /usr/include/net/if_tun.h -o -e /Library/Extensions/tap.kext; then echo bsdtuntap; fi)) ifeq (bsdtuntap,$(shell if $(TEST) -e /usr/include/net/if_tun.h -o -e /Library/Extensions/tap.kext; then echo bsdtuntap; fi))
# Provide support for Tap networking # Provide support for Tap networking on BSD platforms (including OS X)
NETWORK_CCDEFS += -DUSE_TAP_NETWORK -DUSE_BSDTUNTAP NETWORK_CCDEFS += -DUSE_TAP_NETWORK -DUSE_BSDTUNTAP
endif endif
ifneq (binexists,$(shell if $(TEST) -e BIN; then echo binexists; fi)) ifneq (binexists,$(shell if $(TEST) -e BIN; then echo binexists; fi))
MKDIRBIN = if $(TEST) ! -e BIN; then mkdir BIN; fi MKDIRBIN = if $(TEST) ! -e BIN; then mkdir BIN; fi
endif endif
NETWORK_OPT = $(NETWORK_CCDEFS) NETWORK_OPT = $(NETWORK_CCDEFS)
ifneq ($(USE_NETWORK),) ifneq ($(USE_NETWORK),) # Network support specified on the GNU make command line
# Assume built from tcpdump.org sources with default install target ifneq (USE_NETWORK,$(findstring USE_NETWORK,$(NETWORK_CCDEFS)))
# Look for package built from tcpdump.org sources with default install target
LIBPATH += /usr/local/lib
INCPATH += /usr/local/include
LIBEXT = a
ifneq (,$(call find_lib,pcap))
ifneq (,$(call find_include,pcap))
NETWORK_OPT = -DUSE_NETWORK -isystem /usr/local/include /usr/local/lib/libpcap.a NETWORK_OPT = -DUSE_NETWORK -isystem /usr/local/include /usr/local/lib/libpcap.a
$(info using libpcap: $(call find_lib,pcap) $(call find_include,pcap))
else
$(error using libpcap: $(call find_lib,pcap) missing pcap.h)
endif
else
$(error missing libpcap)
endif
endif
endif endif
else else
#Win32 Environments (via MinGW32) #Win32 Environments (via MinGW32)