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71 lines
1.6 KiB
Plaintext
71 lines
1.6 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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AC_INIT(regex.c)
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AC_CONFIG_HEADER(config.h)
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dnl default value for RUBYDIR
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RUBYDIR=".."
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AC_ARG_WITH(rubydir,
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[ --with-rubydir=RUBYDIR specify value for RUBYDIR (default ..)],
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[ RUBYDIR=$withval ])
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AC_SUBST(RUBYDIR)
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dnl default value for STATISTICS
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STATISTICS=""
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AC_ARG_WITH(statistics,
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[ --with-statistics take matching time statistical data],
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[ STATISTICS=-DREG_DEBUG_STATISTICS ])
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AC_SUBST(STATISTICS)
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dnl Checks for programs.
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AC_PROG_CC
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AC_PROG_RANLIB
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dnl AC_PROG_INSTALL
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dnl Checks for libraries.
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dnl Checks for header files.
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AC_HEADER_STDC
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AC_CHECK_HEADERS(stdlib.h string.h strings.h sys/time.h unistd.h sys/times.h)
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_CHECK_SIZEOF(int, 4)
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AC_CHECK_SIZEOF(short, 2)
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AC_CHECK_SIZEOF(long, 4)
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AC_C_CONST
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AC_HEADER_TIME
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dnl Checks for library functions.
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AC_FUNC_ALLOCA
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AC_FUNC_MEMCMP
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AC_CACHE_CHECK(for prototypes, cv_have_prototypes,
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[AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
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cv_have_prototypes=yes,
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cv_have_prototypes=no)])
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if test "$cv_have_prototypes" = yes; then
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AC_DEFINE(HAVE_PROTOTYPES)
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fi
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AC_CACHE_CHECK(for variable length prototypes and stdarg.h, cv_stdarg,
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[AC_TRY_COMPILE([
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#include <stdarg.h>
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int foo(int x, ...) {
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va_list va;
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va_start(va, x);
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va_arg(va, int);
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va_arg(va, char *);
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va_arg(va, double);
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return 0;
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}
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], [return foo(10, "", 3.14);],
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cv_stdarg=yes,
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cv_stdarg=no)])
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if test "$cv_stdarg" = yes; then
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AC_DEFINE(HAVE_STDARG_PROTOTYPES)
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fi
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AC_SUBST()
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AC_OUTPUT(Makefile)
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