1 ## Process this file with autoconf to produce configure. 2 ## In general, the safest way to proceed is to run ./autogen.sh 3 4 # make sure we're interpreted by some minimal autoconf 5 AC_PREREQ(2.57) 6 7 AC_INIT(open-vcdiff, 0.7, opensource@google.com) 8 AC_CONFIG_SRCDIR(README) 9 AM_INIT_AUTOMAKE 10 AM_CONFIG_HEADER(src/config.h) 11 12 # Checks for programs. 13 AC_PROG_CC 14 AC_PROG_CPP 15 AC_PROG_CXX 16 AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc 17 AC_CANONICAL_HOST 18 19 # Issue #21: Fail to test on MinGW 5.1.4 20 # Disabling fast install keeps libtool from creating wrapper scripts around 21 # the executables it builds. Such scripts have caused failures on MinGW. 22 # Using this option means an extra link step is executed during "make install". 23 AC_DISABLE_FAST_INSTALL 24 25 AC_PROG_LIBTOOL 26 AC_SUBST(LIBTOOL_DEPS) 27 28 # Check whether some low-level functions/files are available 29 AC_HEADER_STDC 30 31 # Built-in memcmp can be inefficient when gcc compiles for x86 processors. 32 # In those cases, use an alternative function instead of memcmp. 33 case $host_cpu in 34 *86*) 35 if test "$GCC" = "yes"; then 36 AC_DEFINE(VCDIFF_USE_BLOCK_COMPARE_WORDS, 1, 37 Use custom compare function instead of memcmp) 38 fi 39 ;; 40 esac 41 42 AC_CHECK_HEADERS([ext/rope]) 43 AC_CHECK_HEADERS([getopt.h]) 44 AC_CHECK_HEADERS([malloc.h]) 45 AC_CHECK_HEADERS([sys/mman.h]) 46 AC_CHECK_HEADERS([sys/time.h]) 47 AC_CHECK_HEADERS([unistd.h]) 48 AC_CHECK_HEADERS([windows.h]) 49 AC_CHECK_FUNCS([gettimeofday QueryPerformanceCounter]) 50 AC_CHECK_FUNCS([memalign posix_memalign]) 51 AC_CHECK_FUNCS([mprotect]) 52 53 # Start of definitions needed by gflags package 54 55 AC_CHECK_HEADERS([stdint.h sys/types.h inttypes.h]) 56 AC_CHECK_HEADERS([fnmatch.h]) 57 AC_CHECK_FUNCS([strtoll strtoq]) 58 AC_CHECK_TYPES([uint16_t, u_int16_t, __int16]) 59 60 AX_C___ATTRIBUTE__ 61 62 # End of definitions needed by gflags package 63 64 # Solaris 10 6/06 has a bug where /usr/sfw/lib/libstdc++.la is empty. 65 # If so, we replace it with our own version. 66 LIBSTDCXX_LA_LINKER_FLAG= 67 if test -f /usr/sfw/lib/libstdc++.la && ! test -s /usr/sfw/lib/libstdc++.la 68 then 69 LIBSTDCXX_LA_LINKER_FLAG='-L$(top_srcdir)/src/solaris' 70 fi 71 AC_SUBST(LIBSTDCXX_LA_LINKER_FLAG) 72 73 AC_CONFIG_FILES([Makefile]) 74 AC_OUTPUT 75
