mercurial: Fix hard-coded python path

dev-vcs/mercurial/mercurial-2.2.2.recipe

@@ -5,7 +5,7 @@ COPYRIGHT="2005-2012 Matt Mackall et al."
 LICENSE="GNU GPL v2"
 SRC_URI="http://mercurial.selenic.com/release/mercurial-2.2.2.tar.gz"
 CHECKSUM_MD5="9f59b5d71969cbb2671702cd2a7a5a11"
-REVISION="3"
+REVISION="4"
 ARCHITECTURES="x86_gcc2 x86 x86_64"
 
 PATCHES="mercurial-2.2.2.patch"
@@ -16,7 +16,7 @@ PROVIDES="
 	"
 REQUIRES="
 	haiku_devel >= $haikuVersion
-	python
+	cmd:python
 	cmd:nano
 	lib:libintl
 	"
@@ -24,7 +24,7 @@ BUILD_REQUIRES="
 	"
 BUILD_PREREQUIRES="
 	haiku_devel >= $haikuVersion
-	python
+	cmd:python
 	cmd:aclocal
 	cmd:autoconf
 	cmd:gcc
@@ -38,12 +38,12 @@ SOURCE_DIR="$portVersionedName"
 
 BUILD()
 {
-	python setup.py build --force
+	$portPackageLinksDir/cmd~python/bin/python setup.py build --force
 }
 
 INSTALL()
 {
-	python setup.py install \
+	$portPackageLinksDir/cmd~python/bin/python setup.py install \
 		--prefix="$prefix" \
 		--install-headers="$includedir" \
 		--force