sat-solver: Fix build on uclibc

futimes is not available on uclibc so use utimes
qsort is also not as expected by sat-solver therefore
for uclibc we resort to using internal version of
qsort

(From OE-Core rev: e0800be814c8f8adf8d6682aacea1d3ce9b14c9e)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/sat-solver/sat-solver/futimes.patch

@@ -0,0 +1,32 @@
+This patch uses utimes instead of futimes for uclibc
+since futimes is not available
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+
+Index: git/examples/solv.c
+===================================================================
+--- git.orig/examples/solv.c	2012-06-01 12:06:22.041552848 -0700
++++ git/examples/solv.c	2012-06-01 12:49:17.417677449 -0700
+@@ -1027,7 +1027,8 @@
+   int flags;
+ 
+   cinfo = repo->appdata;
+-  if (!(fp = fopen(calccachepath(repo, repoext), "r")))
++  const char* fname = calccachepath(repo, repoext);
++  if (!(fp = fopen(fname, "r")))
+     return 0;
+   if (fseek(fp, -sizeof(mycookie), SEEK_END) || fread(mycookie, sizeof(mycookie), 1, fp) != 1)
+     {
+@@ -1068,7 +1069,11 @@
+       memcpy(cinfo->extcookie, myextcookie, sizeof(myextcookie));
+     }
+   if (mark)
++#ifdef __UCLIBC__
++    utimes(fname, 0);	/* try to set modification time */
++#else
+     futimes(fileno(fp), 0);	/* try to set modification time */
++#endif
+   fclose(fp);
+   return 1;
+ }

meta/recipes-extended/sat-solver/sat-solver_git.bb

@@ -20,6 +20,7 @@ SRC_URI = "git://github.com/openSUSE/sat-solver.git;protocol=git \
            file://sat-solver_core.patch \
            file://fix_gcc-4.6.0_compile_issue.patch \
            file://0001-sat_xfopen.c-Forward-port-to-zlib-1.2.6-gzFile.patch \
+           file://futimes.patch \
           "
 
 S = "${WORKDIR}/git"
@@ -28,6 +29,8 @@ EXTRA_OECMAKE += "-DRPM5=RPM5 -DOE_CORE=OE_CORE"
 
 EXTRA_OECMAKE += " -DLIB=${@os.path.basename('${libdir}')}"
 
+TUNE_CCARGS_append_libc-uclibc = " -DUSE_OWN_QSORT=1 "
+
 inherit cmake pkgconfig
 
 RDEPENDS_${PN} = "rpm-libs"