5 # Prints prog path to stdout or nothing.
6 local name="$1" result="$2"
7 TLOGN "checking for $name"
8 if ! [ "$result" ]; then
9 result=`acLookFor "$name"`
22 LOG " You need to have a functional C compiler to build $TARGET"
26 MAKE="$(bup_find_prog make $MAKE)"
27 if test -z "$MAKE"; then
28 MAKE="$(bup_find_prog gmake "$GMAKE")"
31 if test -z "$MAKE"; then
32 AC_FAIL "ERROR: unable to find make"
35 if ! ($MAKE --version | grep "GNU Make"); then
36 AC_FAIL "ERROR: $MAKE is not GNU Make"
39 MAKE_VERSION=`$MAKE --version | grep "GNU Make" | awk '{print $3}'`
40 if [ -z "$MAKE_VERSION" ]; then
41 AC_FAIL "ERROR: $MAKE --version does not return sensible output?"
43 expr "$MAKE_VERSION" '>=' '3.81' || AC_FAIL "ERROR: $MAKE must be >= version 3.81"
45 if test -z "$(bup_find_prog python '')"; then
46 AC_FAIL "ERROR: unable to find python"
49 if test -z "$(bup_find_prog git '')"; then
50 AC_FAIL "ERROR: unable to find git"
54 AC_CHECK_HEADERS sys/stat.h
55 AC_CHECK_HEADERS sys/types.h
56 AC_CHECK_HEADERS unistd.h
58 # For FS_IOC_GETFLAGS and FS_IOC_SETFLAGS.
59 AC_CHECK_HEADERS linux/fs.h
60 AC_CHECK_HEADERS sys/ioctl.h
62 # On GNU/kFreeBSD utimensat is defined in GNU libc, but won't work.
63 if [ -z "$OS_GNU_KFREEBSD" ]; then
64 AC_CHECK_FUNCS utimensat
67 AC_CHECK_FUNCS lutimes
69 AC_CHECK_FIELD stat st_atim sys/types.h sys/stat.h unistd.h
70 AC_CHECK_FIELD stat st_mtim sys/types.h sys/stat.h unistd.h
71 AC_CHECK_FIELD stat st_ctim sys/types.h sys/stat.h unistd.h
73 AC_CHECK_FIELD stat st_atimensec sys/types.h sys/stat.h unistd.h
74 AC_CHECK_FIELD stat st_mtimensec sys/types.h sys/stat.h unistd.h
75 AC_CHECK_FIELD stat st_ctimensec sys/types.h sys/stat.h unistd.h