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# Make file for PCRE (Perl-Compatible Regular Expression) library.
# Edit these definitions for your system
# Should shared libraries be built: uncomment this to build them
BUILD-SHARED = true
# C Compiler to use
CC = gcc
# Options for compiling executables and static library modules
#
# Use CFLAGS = -DUSE_BCOPY on SunOS4 and any other system that lacks the
# memmove() function, but has bcopy().
#
# Use CFLAGS = -DSTRERROR_FROM_ERRLIST on SunOS4 and any other system that
# lacks the strerror() function, but can provide the equivalent by indexing
# into errlist.
CFLAGS = -O2
# Command used to index static libraries
#
# It is believed that RANLIB=ranlib is required for AIX, BSDI, FreeBSD, Linux,
# MIPS RISCOS, NetBSD, OpenBSD, Digital Unix, and Ultrix.
#RANLIB = @true
RANLIB = ranlib
# Options for compiling shared library modules
CFLAGS-PIC = $(CFLAGS) -fPIC
# Command to build a shared library
# $@ will be replaced by the name of the library, eg libpcre.so.1
MK-SHARED-LIB = gcc -shared -Wl,-soname,$@ -o $@ -lc
# Options to add a run-time library path to a program. This is used when
# building pcretest, and allows the tests to be run with the libraries still
# in this directory. This allows the libraries to be tested before they're
# installed over the old working set!
RPATH = -Wl,-rpath,.
# Everything below this line should not need modification
##########################################################################
OBJ = chartables.o study.o pcre.o
PICOBJ = chartables.o-pic study.o-pic pcre.o-pic
ifdef BUILD-SHARED # Building shared libs
all: libpcre.a libpcreposix.a libpcre.so.1 libpcreposix.so.1 \
pcretest pgrep
# This assumes that anyone building shared libraries will want to use
# them for pgrep and pcretest. Is this a good assumption?
pgrep: libpcre.so.1 pgrep.o
$(CC) $(CFLAGS) -o pgrep pgrep.o libpcre.so.1
pcretest: libpcre.so.1 libpcreposix.so.1 pcretest.o
$(CC) $(CFLAGS) -o pcretest pcretest.o libpcre.so.1 \
libpcreposix.so.1 $(RPATH)
else # Not building shared libs
all: libpcre.a libpcreposix.a pcretest pgrep
pgrep: libpcre.a pgrep.o
$(CC) $(CFLAGS) -o pgrep pgrep.o libpcre.a
pcretest: libpcre.a libpcreposix.a pcretest.o
$(CC) $(CFLAGS) -o pcretest pcretest.o libpcre.a libpcreposix.a
endif
# Libraries
libpcre.so.1: $(PICOBJ)
$(MK-SHARED-LIB) $(PICOBJ)
libpcre.a: $(OBJ)
/bin/rm -f libpcre.a
ar cq libpcre.a $(OBJ)
$(RANLIB) libpcre.a
libpcreposix.so.1: pcreposix.o-pic
$(MK-SHARED-LIB) -L. -lpcre pcreposix.o-pic
libpcreposix.a: pcreposix.o
/bin/rm -f libpcreposix.a
ar cq libpcreposix.a pcreposix.o
$(RANLIB) libpcreposix.a
# Object files for libraries
pcre.o: pcre.c pcre.h internal.h
$(CC) -c $(CFLAGS) pcre.c
pcre.o-pic: pcre.c pcre.h internal.h
$(CC) -c $(CFLAGS-PIC) -o $@ pcre.c
pcreposix.o: pcreposix.c pcreposix.h internal.h
$(CC) -c $(CFLAGS) pcreposix.c
pcreposix.o-pic: pcreposix.c pcreposix.h internal.h
$(CC) -c $(CFLAGS-PIC) -o $@ pcreposix.c
chartables.o: chartables.c
$(CC) -c $(CFLAGS) chartables.c
chartables.o-pic: chartables.c
$(CC) -c $(CFLAGS-PIC) -o $@ chartables.c
study.o: study.c pcre.h internal.h
$(CC) -c $(CFLAGS) study.c
study.o-pic: study.c pcre.h internal.h
$(CC) -c $(CFLAGS-PIC) -o $@ study.c
# Object files for extra programs
pcretest.o: pcretest.c pcre.h
$(CC) -c $(CFLAGS) pcretest.c
pgrep.o: pgrep.c pcre.h
$(CC) -c $(CFLAGS) pgrep.c
# An auxiliary program makes the character tables
chartables.c: maketables
./maketables >chartables.c
maketables: maketables.c
$(CC) -o maketables $(CFLAGS) maketables.c
# Regression test
test: all
# First test
./pcretest testinput >my-testoutput
diff -u3 testoutput my-testoutput
# Second test
./pcretest -i testinput2 >my-testoutput2
diff -u3 testoutput2 my-testoutput2
rm my-testoutput*
# We deliberately omit maketables and chartables.c from 'make clean'; once made
# chartables.c shouldn't change, and if people have edited the tables by hand,
# you don't want to throw them away.
clean:; rm -f *.o *.o-pic *.a *.so* pcretest pgrep
distclean: clean
rm -f maketables chartables.c
# Declare which targets are phony, i.e. do not really result in files of
# that name
.PHONY: all test clean distclean
# End
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