set TMPDIR for pear

component/apache-php/buildout.cfg

@@ -55,10 +55,16 @@ configure-options =
   --enable-bz2
   --enable-ftp
 
+
+# Changing TMPDIR is required for PEAR installation.
+# It will create a pear/temp directory under the SR instead of a shared /tmp/pear/temp.
+# XXX we could mkdir tmp there
+
 environment =
   PKG_CONFIG_PATH=${libxml2:location}/lib/pkgconfig:${openssl:location}/lib/pkgconfig
   PATH=${pkgconfig:location}/bin:${bzip2:location}/bin:${libxml2:location}/bin:%(PATH)s
   LDFLAGS =-L${bzip2:location}/lib -Wl,-rpath -Wl,${bzip2:location}/lib -L${libtool:location}/lib -Wl,-rpath -Wl,${libtool:location}/lib -L${mariadb:location}/lib -Wl,-rpath -Wl,${mariadb:location}/lib -L${zlib:location}/lib -Wl,-rpath -Wl,${zlib:location}/lib -L${libmcrypt:location}/lib -Wl,-rpath -Wl,${libmcrypt:location}/libblkid
+  TMPDIR=${:location}