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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.53)
AC_INIT([librsync],[1.0.0pre])
AC_COPYRIGHT([Copyright (C) 1999-2014 by Martin Pool <mbp@sourcefrog.net>])
AC_CONFIG_SRCDIR([trace.c])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([foreign])
# GNU library versioning: This is NOT the librsync release number.
# See libversions.txt and the libtool manual for an explanation of the
# library versioning
librsync_libversion=2:0:0
# Disable shared libs by default.
AC_DISABLE_SHARED
# Checks for programs.
AC_GNU_SOURCE
AC_PROG_CC
AC_ISC_POSIX
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_PROG_LIBTOOL
# Checks for libraries.
AC_CHECK_LIB(z, deflate)
AC_CHECK_LIB(bz2, BZ2_bzCompress)
AC_CHECK_LIB(popt, poptGetContext, [], AC_MSG_WARN([cannot find libpopt: won't be able to run tests or build rdiff]))
# Checks for header files.
AC_FUNC_ALLOCA
AC_HEADER_STDC
AC_CHECK_HEADERS([mcheck.h bzlib.h zlib.h])
AC_CHECK_HEADERS([fcntl.h inttypes.h libintl.h limits.h malloc.h stdint.h stdlib.h string.h sys/file.h unistd.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_BIGENDIAN
AC_TYPE_SIZE_T
AC_TYPE_OFF_T
AC_SYS_LARGEFILE
AC_CHECK_SIZEOF([unsigned char], 1)
if test "$ac_cv_sizeof_unsigned_char" -ne 1; then
AC_MSG_WARN(unsigned char seems to be $ac_cv_sizeof_unsigned_char bytes. Expect trouble.)
fi
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF([unsigned short])
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF([unsigned int])
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF([unsigned long])
AC_CHECK_SIZEOF([long long])
AC_CHECK_SIZEOF(off_t)
AC_CHECK_SIZEOF(size_t)
#XXX: is this really the best way to do it? I think the limitation on
# rs_long_t is that we need to be able to seek to it, which relates to
# long file support. With fseeko, rs_long_t should be off_t, otherwise
# it should be long.
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[#include <sys/types.h>
#ifndef LONG_LONG
#error not defined
#endif]],
[;])],
[ RS_LONG_T='LONG_LONG' ],
[ case "$ac_cv_sizeof_long_long" in
0) RS_LONG_T='long' ;;
*) RS_LONG_T='long long' ;;
esac ])
AC_SUBST(RS_LONG_T)
# Checks for library functions.
#AC_FUNC_MALLOC #XXX: needs malloc.c replacement
#AC_FUNC_MEMCMP #XXX: needs memcmp.c replacement
#AC_FUNC_REALLOC #XXX: needs realloc.c replacement
AC_FUNC_FSEEKO
AC_CHECK_FUNCS([memmove memset strchr strerror strtol])
AC_CHECK_FUNCS([gettext dgettext])
AC_CHECK_FUNC(setreuid, [],
[ AC_CHECK_LIB(ucb, setreuid,
[ if echo $LIBS | grep -- -lucb >/dev/null ;then :;
else LIBS="$LIBS -lc -lucb"; USEUCB=y;fi])
])
# supply a snprintf and vsnprintf if the system doesn't have one.
# if missing, check MSVC _xxx varients, otherwise use snprintf.c
# replacement.
AC_CHECK_FUNCS(snprintf,,[AC_CHECK_FUNCS(_snprintf)])
AC_CHECK_FUNCS(vsnprintf,,[AC_CHECK_FUNCS(_vsnprintf,,[AC_LIBOBJ(snprintf)])])
# Test if the compiler has the GNU feature of putting argv[0] into a global
AC_MSG_CHECKING([for program_invocation_short_name])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[#include <errno.h>]],
[[strlen(program_invocation_short_name)]])],
[ AC_DEFINE(HAVE_PROGRAM_INVOCATION_NAME,,
[GNU extension of saving argv[0] to program_invocation_short_name])
AC_MSG_RESULT(yes) ],
[ AC_MSG_RESULT(no) ])
# Test if the preprocessor understands vararg macros
AC_MSG_CHECKING([for vararg macro support])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[#define func(a, b...) do {} while (0)],
[func("a", "b", "c");func("a")])],
[ AC_DEFINE(HAVE_VARARG_MACROS, , [Define if your cpp has vararg macros])
AC_MSG_RESULT(yes) ],
[ AC_MSG_RESULT(no) ])
if test "$GCC" = "yes"; then # GCC
CFLAGS="-Wall -Wshadow -Wundef -Wwrite-strings -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes -Wpointer-arith -Wcast-qual -Wcast-align $CFLAGS"
elif test "$CC" = "cl"; then # MSVC
CFLAGS="-Z7 -Od -MD $CFLAGS"
fi
# TODO: Similar conditions for other known compilers. For SUNWspro, use `-v'.
AC_ARG_ENABLE(ccmalloc,
AC_HELP_STRING([--enable-ccmalloc],[use ccmalloc debugger (default no)]),
[ LIBS="$LIBS -lccmalloc -ldl" ])
AC_ARG_ENABLE(trace,
AC_HELP_STRING([--disable-trace],[turn off library tracing]),
[enable_trace=$enableval],[enable_trace=yes])
if test "$enable_trace" = "yes"; then
AC_DEFINE(DO_RS_TRACE,,[Define this to enable trace code])
fi
AC_DEFINE_UNQUOTED(RS_LIBVERSION, "$librsync_libversion",[Version of the libtool interface.])
AC_DEFINE_UNQUOTED(RS_CANONICAL_HOST, "$host",[Canonical GNU hostname])
AC_SUBST(librsync_libversion)
AC_SUBST(BUILD_POPT)
AC_CONFIG_FILES([
Makefile
doc/Makefile
doc/Doxyfile
testsuite/Makefile
librsync-config.h])
AC_OUTPUT
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