libglib2: fix build with legacy uClibc versions

qsort_r was only added in uClibc 0.9.33, so only enable it when we're sure
it's available. For external/ctng toolchains we cannot easily know, so
simply disable it there.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

diff --git a/package/libglib2/libglib2.mk b/package/libglib2/libglib2.mk
index d0d9c5c2ecc0ffbd137541bd62d07b7e118e388c..d2445a148af09d05daf761e432d160071266b842 100644 (file)
--- a/package/libglib2/libglib2.mk
+++ b/package/libglib2/libglib2.mk
@@ -41,9 +41,16 @@ LIBGLIB2_CONF_ENV = \
                ac_cv_func_working_mktime=yes jm_cv_func_working_re_compile_pattern=yes \
                ac_use_included_regex=no gl_cv_c_restrict=no \
                ac_cv_path_GLIB_GENMARSHAL=$(HOST_DIR)/usr/bin/glib-genmarshal ac_cv_prog_F77=no \
-               ac_cv_func_posix_getgrgid_r=no glib_cv_have_qsort_r=yes \
+               ac_cv_func_posix_getgrgid_r=no \
                gt_cv_c_wchar_t=$(if $(BR2_USE_WCHAR),yes,no)
 
+# old uClibc versions don't provide qsort_r
+ifeq ($(BR2_UCLIBC_VERSION_0_9_31)$(BR2_UCLIBC_VERSION_0_9_32)$(BR2_TOOLCHAIN_CTNG_uClibc)$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC),y)
+LIBGLIB2_CONF_ENV += glib_cv_have_qsort_r=no
+else
+LIBGLIB2_CONF_ENV += glib_cv_have_qsort_r=yes
+endif
+
 HOST_LIBGLIB2_CONF_OPT = \
                --disable-gtk-doc \
                --enable-debug=no \