mirror of
https://github.com/wolfcw/libfaketime.git
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129 lines
4.5 KiB
Makefile
129 lines
4.5 KiB
Makefile
#
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# Notes:
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#
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# * Compilation Defines:
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#
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# FAKE_STAT
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# - Enables time faking also for files' timestamps.
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#
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# NO_ATFILE
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# - Disables support for the fstatat() group of functions
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#
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# PTHREAD_SINGLETHREADED_TIME
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# - Define this if you want to single-thread time() ... there ARE
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# possible caching side-effects in a multithreaded environment
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# without this, but the performance impact may require you to
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# try it unsynchronized.
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#
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# FAKE_INTERNAL_CALLS
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# - Also intercept libc internal __functions, e.g. not just time(),
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# but also __time(). Enhances compatibility with applications
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# that make use of low-level system calls, such as Java Virtual
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# Machines.
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#
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# FAKE_SLEEP
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# - Also intercept sleep(), nanosleep(), usleep(), alarm(), [p]poll()
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#
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# FAKE_TIMERS
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# - Also intercept timer_settime() and timer_gettime()
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#
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# FAKE_PTHREAD
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# - Intercept pthread_cond_timedwait
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#
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# FAKE_SETTIME
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# - Intercept clock_settime(), settimeofday(), and adjtime()
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#
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# FORCE_MONOTONIC_FIX
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# - If the test program hangs forever on
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# " pthread_cond_timedwait: CLOCK_MONOTONIC test
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# (Intentionally sleeping 1 second...) "
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# then add -DFORCE_MONOTONIC_FIX to CFLAGS and recompile.
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# (This is a platform-specific issue we cannot handle at run-time.)
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#
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# MULTI_ARCH
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# - If MULTI_ARCH is set, the faketime wrapper program will put a literal
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# $LIB into the LD_PRELOAD environment variable it creates, which makes
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# ld automatically choose the correct library version to use for the
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# target binary. Use for Linux platforms with Multi-Arch support only!
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#
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# * Compilation addition: second libMT target added for building the pthread-
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# enabled library as a separate library
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#
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# * Compilation switch change: previous versions compiled using '-nostartfiles'
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# This is no longer the case since there is a 'startup' constructor for the library
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# which is used to activate the start-at times when specified. This also initializes
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# the dynamic disabling of the FAKE_STAT calls.
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#
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# By default, libfaketime will be compiled for your system's default architecture.
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# To build 32-bit libraries and binaries, add -m32 to CFLAGS and LDFLAGS.
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#
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# Change PREFIX to where you want libfaketime (libraries and wrapper binary) installed.
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# LIBDIRNAME is relative to PREFIX. The default is to install into $PREFIX/lib/faketime,
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# but you can set LIBDIRNAME to, e.g., /lib64 if you want to install it elsewhere.
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# LIBDIRNAME has been introduced to support MultiLib systems. Please do not change the
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# default value on MultiArch systems.
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#
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# For testing in the current directory without installation, try make PREFIX= LIBDIRNAME='.'
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CC ?= gcc
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INSTALL ?= install
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PREFIX ?= /usr/local
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LIBDIRNAME ?= /lib/faketime
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PLATFORM ?=$(shell uname)
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CFLAGS += -std=gnu99 -Wall -Wextra -Werror -Wno-nonnull-compare -DFAKE_PTHREAD -DFAKE_STAT -DFAKE_SLEEP -DFAKE_TIMERS -DFAKE_INTERNAL_CALLS -fPIC -DPREFIX='"'$(PREFIX)'"' -DLIBDIRNAME='"'$(LIBDIRNAME)'"' $(FAKETIME_COMPILE_CFLAGS)
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ifeq ($(PLATFORM),SunOS)
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CFLAGS += -D__EXTENSIONS__ -D_XOPEN_SOURCE=600
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endif
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LIB_LDFLAGS += -shared
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LDFLAGS += $(FAKETIME_LINK_FLAGS) -lpthread
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ifneq ($(PLATFORM),SunOS)
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LDFLAGS += -Wl,--version-script=libfaketime.map
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endif
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LDADD += -ldl -lm -lrt
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BIN_LDFLAGS += -lrt
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SRC = libfaketime.c
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LIBS_OBJ = libfaketime.o libfaketimeMT.o
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BINS = faketime
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SONAME = 1
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LIBS = libfaketime.so.${SONAME} libfaketimeMT.so.${SONAME}
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all: ${LIBS} ${BINS}
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libfaketimeMT.o: EXTRA_FLAGS := -DPTHREAD_SINGLETHREADED_TIME
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${LIBS_OBJ}: libfaketime.c
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${CC} -o $@ -c ${CFLAGS} ${CPPFLAGS} ${EXTRA_FLAGS} $<
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%.so.${SONAME}: %.o libfaketime.map
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${CC} -o $@ -Wl,-soname,$@ ${LDFLAGS} ${LIB_LDFLAGS} $< ${LDADD}
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${BINS}: faketime.c
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${CC} -o $@ ${CFLAGS} ${CPPFLAGS} ${EXTRA_FLAGS} $< ${LDFLAGS} ${BIN_LDFLAGS}
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clean:
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@rm -f ${LIBS_OBJ} ${LIBS} ${BINS}
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distclean: clean
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@echo
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install: ${LIBS} ${BINS}
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@echo
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@echo "Copying the faketime libraries to ${DESTDIR}${PREFIX}${LIBDIRNAME} and the faketime wrapper script to ${DESTDIR}${PREFIX}/bin ..."
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$(INSTALL) -dm0755 "${DESTDIR}${PREFIX}${LIBDIRNAME}/"
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$(INSTALL) -m0644 ${LIBS} "${DESTDIR}${PREFIX}${LIBDIRNAME}/"
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$(INSTALL) -Dm0755 faketime "${DESTDIR}${PREFIX}/bin/faketime"
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uninstall:
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for f in ${LIBS}; do rm -f "${DESTDIR}${PREFIX}${LIBDIRNAME}/$$f"; done
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rmdir "${DESTDIR}${PREFIX}${LIBDIRNAME}"
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rm -f "${DESTDIR}${PREFIX}/bin/faketime"
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.PHONY: all clean distclean install uninstall
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