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dnl Process this file with autoconf to produce a configure script.
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dnl This is required at the start; the name is the name of a file
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dnl it should be seeing, to verify it is in the same directory.
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AC_INIT(dftables.c)
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dnl Arrange to build config.h from config.in. Note that pcre.h is
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dnl built differently, as it is just a "substitution" file.
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dnl Manual says this macro should come right after AC_INIT.
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AC_CONFIG_HEADER(config.h:config.in)
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dnl Provide the current PCRE version information. Do not use numbers
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dnl with leading zeros for the minor version, as they end up in a C
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dnl macro, and may be treated as octal constants. Stick to single
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dnl digits for minor numbers less than 10. There are unlikely to be
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dnl that many releases anyway.
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PCRE_MAJOR=3
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PCRE_MINOR=9
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PCRE_DATE=02-Jan-2002
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PCRE_VERSION=${PCRE_MAJOR}.${PCRE_MINOR}
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dnl Provide versioning information for libtool shared libraries that
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dnl are built by default on Unix systems.
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PCRE_LIB_VERSION=0:1:0
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PCRE_POSIXLIB_VERSION=0:0:0
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_INSTALL
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AC_PROG_RANLIB
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dnl Checks for header files.
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AC_HEADER_STDC
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AC_CHECK_HEADERS(limits.h)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_TYPE_SIZE_T
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dnl Checks for library functions.
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AC_CHECK_FUNCS(bcopy memmove strerror)
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dnl Handle --enable-utf8
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AC_ARG_ENABLE(utf8,
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[ --enable-utf8 enable UTF8 support (incomplete)],
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if test "$enableval" = "yes"; then
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UTF8=-DSUPPORT_UTF8
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fi
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)
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dnl Handle --enable-newline-is-cr
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AC_ARG_ENABLE(newline-is-cr,
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[ --enable-newline-is-cr use CR as the newline character],
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if test "$enableval" = "yes"; then
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NEWLINE=-DNEWLINE=13
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fi
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)
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dnl Handle --enable-newline-is-lf
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AC_ARG_ENABLE(newline-is-lf,
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[ --enable-newline-is-lf use LF as the newline character],
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if test "$enableval" = "yes"; then
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NEWLINE=-DNEWLINE=10
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fi
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)
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dnl Now arrange to build libtool
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AC_PROG_LIBTOOL
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dnl "Export" these variables
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AC_SUBST(HAVE_MEMMOVE)
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AC_SUBST(HAVE_STRERROR)
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AC_SUBST(NEWLINE)
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AC_SUBST(UTF8)
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AC_SUBST(PCRE_MAJOR)
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AC_SUBST(PCRE_MINOR)
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AC_SUBST(PCRE_DATE)
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AC_SUBST(PCRE_VERSION)
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AC_SUBST(PCRE_LIB_VERSION)
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AC_SUBST(PCRE_POSIXLIB_VERSION)
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dnl This must be last; it determines what files are written as well as config.h
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AC_OUTPUT(Makefile pcre.h:pcre.in pcre-config:pcre-config.in RunTest:RunTest.in,[chmod a+x RunTest pcre-config])
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