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## Process this file with autoconf to produce configure.
## In general, the safest way to proceed is to run ./autogen.sh
# make sure we're interpreted by some minimal autoconf
AC_PREREQ(2.57)
AC_INIT(open-vcdiff, 0.4, opensource@google.com)
AC_CONFIG_SRCDIR(README)
AM_INIT_AUTOMAKE
AM_CONFIG_HEADER(src/config.h)
# Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc
AC_CANONICAL_HOST
AC_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)
# Check whether some low-level functions/files are available
AC_HEADER_STDC
# Built-in memcmp can be inefficient when gcc compiles for x86 processors.
# In those cases, use an alternative function instead of memcmp.
case $host_cpu in
*86*)
if test "$GCC" = "yes"; then
AC_DEFINE(VCDIFF_USE_BLOCK_COMPARE_WORDS, 1,
Use custom compare function instead of memcmp)
fi
;;
esac
AC_CHECK_HEADERS([ext/rope])
AC_CHECK_HEADERS([getopt.h])
AC_CHECK_HEADERS([malloc.h])
AC_CHECK_HEADERS([sys/mman.h])
AC_CHECK_HEADERS([sys/time.h])
AC_CHECK_HEADERS([unistd.h])
AC_CHECK_HEADERS([windows.h])
AC_CHECK_FUNCS([gettimeofday QueryPerformanceCounter])
AC_CHECK_FUNCS([memalign posix_memalign])
AC_CHECK_FUNCS([mprotect])
# Start of definitions needed by gflags package
AC_CHECK_HEADERS([stdint.h sys/types.h inttypes.h])
AC_CHECK_HEADERS([fnmatch.h])
AC_CHECK_FUNCS([strtoll strtoq])
AC_CHECK_TYPES([uint16_t, u_int16_t, __int16])
AX_C___ATTRIBUTE__
# End of definitions needed by gflags package
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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