qhull: add missing pkgconfig file

Add backwards compatibility symlinks to /usr/include/qhull.
Add patch to fix format string security flaw (via Gentoo).

srcpkgs/qhull/files/qhull.pc

@@ -0,0 +1,11 @@
+prefix=/usr
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: qhull
+Description: Computing the convex hull
+Version: @VERSION@
+Requires:
+Libs: -L${libdir} -lqhull -lm
+Cflags: -I${includedir}

srcpkgs/qhull/patches/64bit-fixes.patch

@@ -0,0 +1,29 @@
+diff --git src/libqhull/io.c src/libqhull/io.c
+index 09a0079..7ad4b35 100644
+--- src/libqhull/io.c
++++ src/libqhull/io.c
+@@ -68,8 +68,8 @@ void qh_produce_output2(void) {
+     qh_memstatistics(qh ferr);
+     d_1= sizeof(setT) + (qh hull_dim - 1) * SETelemsize;
+     qh_fprintf(qh ferr, 8040, "\
+-    size in bytes: merge %d ridge %d vertex %d facet %d\n\
+-         normal %d ridge vertices %d facet vertices or neighbors %d\n",
++    size in bytes: merge %zd ridge %zd vertex %zd facet %zd\n\
++         normal %d ridge vertices %d facet vertices or neighbors %zd\n",
+             (int)sizeof(mergeT), (int)sizeof(ridgeT),
+             (int)sizeof(vertexT), (int)sizeof(facetT),
+             qh normal_size, d_1, d_1 + SETelemsize);
+diff --git src/libqhull/stat.c src/libqhull/stat.c
+index 7dc60b9..5721130 100644
+--- src/libqhull/stat.c
++++ src/libqhull/stat.c
+@@ -472,7 +472,7 @@ void qh_initstatistics(void) {
+   qh_allstatI();
+   if (qhstat next > (int)sizeof(qhstat id)) {
+     qh_fprintf(qhmem.ferr, 6184, "qhull error (qh_initstatistics): increase size of qhstat.id[].\n\
+-      qhstat.next %d should be <= sizeof(qhstat id) %d\n", qhstat next, (int)sizeof(qhstat id));
++      qhstat.next %d should be <= sizeof(qhstat id) %zd\n", qhstat next, (int)sizeof(qhstat id));
+ #if 0 /* for locating error, Znumridges should be duplicated */
+     for(i=0; i < ZEND; i++) {
+       int j;
+

srcpkgs/qhull/patches/format-string-security.patch

@@ -0,0 +1,13 @@
+diff --git src/libqhull/io.c src/libqhull/io.c
+index 6601ffd..fb1a7fd 100644
+--- src/libqhull/io.c
++++ src/libqhull/io.c
+@@ -2238,7 +2238,7 @@ void qh_printfacet3math(FILE *fp, facetT *facet, qh_PRINT format, int notfirst)
+     qh_memfree(point, qh normal_size);
+   qh_settempfree(&points);
+   qh_settempfree(&vertices);
+-  qh_fprintf(fp, 9110, endfmt);
++  qh_fprintf(fp, 9110, "%s", endfmt);
+ } /* printfacet3math */
+ 
+ 

srcpkgs/qhull/template

@@ -1,30 +1,38 @@
 # Template file for 'qhull'
-pkgname="qhull"
-version="2012.1"
-revision=1
+pkgname=qhull
+version=2012.1
+revision=2
+build_style=cmake
+hostmakedepends="cmake"
 short_desc="Computes volumes, surface areas and approximations to the convex hull"
 maintainer="Martin Riese <grauehaare@gmx.de>"
-license="GPL-3"
+license="BSD"
 homepage="http://www.qhull.org"
 distfiles="http://www.qhull.org/download/${pkgname}-${version}-src.tgz"
-checksum="a35ecaa610550b7f05c3ce373d89c30cf74b059a69880f03080c556daebcff88"
-hostmakedepends="cmake"
-build_style="cmake"
+checksum=a35ecaa610550b7f05c3ce373d89c30cf74b059a69880f03080c556daebcff88
+
+post_install() {
+	install -Dm644 ${FILESDIR}/qhull.pc ${DESTDIR}/usr/lib/pkgconfig/qhull.pc
+	sed -i "s|@VERSION@|${version}|" ${DESTDIR}/usr/lib/pkgconfig/qhull.pc
+	# convenience links for backwards compatibility
+	ln -sf libqhull ${DESTDIR}/usr/include/qhull
+	ln -sf libqhull.h ${DESTDIR}/usr/include/qhull/qhull.h
+}
 
 libqhull_package() {
-	shorst_desc+=" - runtime libraries"
+	short_desc+=" - runtime libraries"
 	pkg_install() {
-		vmove "usr/lib/*.so.*"
+		vmove usr/lib/*.so.*
 	}
 }
 
 libqhull-devel_package() {
-	depends="${makedepends} libqhull>=${version}_${revision}"
+	depends="libqhull>=${version}_${revision}"
 	short_desc+=" - development files"
 	pkg_install() {
-		vmove "usr/include"
-		vmove "usr/lib/*.a"
-		vmove "usr/lib/*.so"
+		vmove usr/include
+		vmove usr/lib/*.a
+		vmove usr/lib/*.so
+		vmove usr/lib/pkgconfig
 	}
 }
-