nixpkgs/pkgs/applications/virtualization/xen/has-header.patch

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diff -ru --exclude '*~' xen-4.0.1-orig/tools/check/funcs.sh xen-4.0.1/tools/check/funcs.sh
--- xen-4.0.1-orig/tools/check/funcs.sh 2010-08-25 12:22:07.000000000 +0200
+++ xen-4.0.1/tools/check/funcs.sh 2010-09-09 17:47:20.000000000 +0200
@@ -25,33 +25,13 @@
}
has_header() {
- case $1 in
- /*) ;;
- *) set -- "/usr/include/$1" ;;
- esac
-
- check_sys_root || return 1
-
- test -r "$CROSS_SYS_ROOT$1"
- return $?
+ echo "#include <$1>" | gcc -E - > /dev/null && return 0
+ return 1
}
has_lib() {
check_sys_root || return 1
-
- # subshell to prevent pollution of caller's environment
- (
- PATH=/sbin:$PATH # for ldconfig
-
- # This relatively common in a sys-root; libs are installed but
- # ldconfig hasn't run there, so ldconfig -p won't work.
- if [ "$OS" = Linux -a ! -f "$CROSS_SYS_ROOT/etc/ld.so.cache" ]; then
- echo "Please run ldconfig -r \"$CROSS_SYS_ROOT\" to generate ld.so.cache"
- # fall through; ldconfig test below should fail
- fi
- ldconfig -p ${CROSS_SYS_ROOT+-r "$CROSS_SYS_ROOT"} | grep -Fq "$1"
- return $?
- )
+ return 0
}
test_link() {