bup_try_c_code()
{
- local code="$1" tmpdir rc
+ local code="$1" tmpdir rc cflags=''
if test -z "$code"; then
AC_FAIL "No code provided to test compile"
fi
+ case "$#" in
+ 1) ;;
+ 2) cflags="$2" ;;
+ *)
+ AC_FAIL "Invald call to bup_try_c_code" "$@"
+ ;;
+ esac
tmpdir="$(mktemp -d "bup-try-c-compile-XXXXXXX")" || exit $?
echo "$code" > "$tmpdir/test.c" || exit $?
- $AC_CC -Wall -Werror -c -o "$tmpdir/test" "$tmpdir/test.c"
+ $AC_CC -Wall -Werror $cflags -c -o "$tmpdir/test" "$tmpdir/test.c"
rc=$?
rm -r "$tmpdir" || exit $?
return $rc
exit 1
fi
-MAKE="$(bup_find_prog make $MAKE)"
+MAKE="$(bup_find_prog make "$MAKE")"
if test -z "$MAKE"; then
MAKE="$(bup_find_prog gmake "$GMAKE")"
fi
fi
expr "$MAKE_VERSION" '>=' '3.81' || AC_FAIL "ERROR: $MAKE must be >= version 3.81"
-if test -z "$(bup_find_prog python '')"; then
+AC_SUB bup_make "$MAKE"
+
+bup_python="$(type -p "$PYTHON")"
+test -z "$bup_python" && bup_python="$(bup_find_prog python2.7 '')"
+test -z "$bup_python" && bup_python="$(bup_find_prog python2.6 '')"
+test -z "$bup_python" && bup_python="$(bup_find_prog python2 '')"
+test -z "$bup_python" && bup_python="$(bup_find_prog python '')"
+if test -z "$bup_python"; then
AC_FAIL "ERROR: unable to find python"
+else
+ AC_SUB bup_python "$bup_python"
+ AC_SUB bup_python_majver \
+ "$("$bup_python" -c 'import sys; print(sys.version_info[0])')"
fi
-if test -z "$(bup_find_prog git '')"; then
+bup_git="$(bup_find_prog git '')"
+if test -z "$bup_git"; then
AC_FAIL "ERROR: unable to find git"
fi
AC_CHECK_FUNCS lutimes
+builtin_mul_overflow_code="
+#include <stddef.h>
+int main(int argc, char **argv)
+{
+ size_t n = 0, size = 0, total;
+ __builtin_mul_overflow(n, size, &total);
+ return 0;
+}
+"
+
+TLOGN "checking for __builtin_mul_overflow"
+if bup_try_c_code "$builtin_mul_overflow_code"; then
+ AC_DEFINE BUP_HAVE_BUILTIN_MUL_OVERFLOW 1
+ TLOG ' (found)'
+else
+ TLOG ' (not found)'
+fi
+
+
AC_CHECK_FUNCS mincore
mincore_incore_code="
fi
+TLOGN "checking for readline"
+bup_have_readline=''
+bup_readline_includes_in_subdir=''
+bup_readline_via_pkg_config=''
+if pkg-config readline; then
+ bup_readline_cflags="$(pkg-config readline --cflags)" || exit $?
+ bup_readline_ldflags="$(pkg-config readline --libs)" || exit $?
+ # It looks like it's not uncommon for pkg-config to provide a -I
+ # that doesn't support the documentation's specified #include
+ # <readline/readline.h>. See what's really going on.
+ if bup_try_c_code '#include <readline/readline.h>' "$bup_readline_cflags"
+ then
+ bup_have_readline=1
+ bup_readline_includes_in_subdir=1
+ elif bup_try_c_code '#include <readline.h>' "$bup_readline_cflags"
+ then
+ bup_have_readline=1
+ fi
+ if test "$bup_have_readline"; then
+ bup_readline_via_pkg_config=1
+ else
+ bup_readline_cflags=''
+ bup_readline_ldflags=''
+ fi
+fi
+if ! test "$bup_have_readline"; then
+ if bup_try_c_code '#include <readline/readline.h>'; then
+ bup_readline_ldflags=-lreadline
+ bup_have_readline=1
+ bup_readline_includes_in_subdir=1
+ elif bup_try_c_code '#include <readline.h>'; then
+ bup_readline_ldflags=-lreadline
+ bup_have_readline=1
+ fi
+fi
+if test "$bup_have_readline"; then
+ AC_DEFINE BUP_HAVE_READLINE 1
+ if test "$bup_readline_includes_in_subdir"; then
+ AC_DEFINE BUP_READLINE_INCLUDES_IN_SUBDIR 1
+ fi
+ if test "$bup_readline_via_pkg_config"; then
+ TLOG ' (yes, pkg-config)'
+ else
+ TLOG ' (yes)'
+ fi
+fi
+
+
+AC_SUB bup_readline_cflags "$bup_readline_cflags"
+AC_SUB bup_readline_ldflags "$bup_readline_ldflags"
+AC_SUB bup_have_readline "$bup_have_readline"
+
+
AC_CHECK_FIELD stat st_atim sys/types.h sys/stat.h unistd.h
AC_CHECK_FIELD stat st_mtim sys/types.h sys/stat.h unistd.h
AC_CHECK_FIELD stat st_ctim sys/types.h sys/stat.h unistd.h
AC_CHECK_FIELD tm tm_gmtoff time.h
+
+orig_ac_cc="$AC_CC"
+orig_libs="$LIBS"
+TLOGN "checking for libacl"
+if pkg-config libacl; then
+ bup_libacl_cflags="$(pkg-config libacl --cflags)"
+ bup_libacl_ldflags="$(pkg-config libacl --libs)"
+ TLOG ' (yes, pkg-config)'
+else
+ bup_libacl_cflags=
+ bup_libacl_ldflags='-lacl'
+ TLOG ' (yes)'
+fi
+AC_CC="$AC_CC${bup_libacl_cflags:+ $bup_libacl_cflags}"
+LIBS="$bup_libacl_ldflags"
+AC_CHECK_HEADERS sys/acl.h
+AC_CHECK_HEADERS acl/libacl.h
+AC_CHECK_FUNCS acl_get_file
+AC_CHECK_FUNCS acl_from_text
+AC_CHECK_FUNCS acl_set_file
+# Note: These are linux specific, but we need them (for now?)
+AC_CHECK_FUNCS acl_extended_file
+AC_CHECK_FUNCS acl_to_any_text
+TLOGN "checking for complete acl support"
+if test "$ac_defined_HAVE_ACL_EXTENDED_FILE"; then
+ bup_have_libacl=1
+ AC_SUB bup_libacl_cflags "$bup_libacl_cflags"
+ AC_SUB bup_libacl_ldflags "$bup_libacl_ldflags"
+ TLOG ' (yes)'
+else
+ bup_have_libacl=
+ AC_SUB bup_have_libacl ''
+ TLOG ' (no)'
+fi
+AC_SUB bup_have_libacl "$bup_have_libacl"
+AC_CC="$orig_ac_cc"
+LIBS="$orig_libs"
+
+
AC_OUTPUT config.vars
+
+if test -e config.var; then rm -r config.var; fi
+mkdir -p config.var
+echo -n "$MAKE" > config.var/bup-make
+echo -n "$bup_python" > config.var/bup-python
+
+if test -e bin; then rm -r bin; fi
+mkdir -p bin
+cd bin && ln -s "$bup_python" python
+
+printf "
+found: python (%q, $("$bup_python" --version 2>&1))
+found: git (%q, ($("$bup_git" --version))
+" \
+ "$bup_python" \
+ "$bup_git" \
+ 1>&5
+
+summarize()
+{
+ local found="$1"
+ shift
+ if test "$found"; then
+ TLOG found: "$@"
+ else
+ TLOG not found: "$@"
+ fi
+}
+summarize "$bup_have_readline" 'readline support (e.g. bup ftp)'
+summarize "$bup_have_libacl" 'POSIX ACL support'
+TLOG
projects / bup.git / blobdiff