- PKG_CHECK_MODULES([PCRE], [libpcre >= 7.2], [HAVE_PCRE=yes], [HAVE_PCRE=no])
+ PKG_CHECK_MODULES([PCRE],
+ [libpcre >= 6.6],
+ [HAVE_PCRE=yes
+ PKG_CHECK_EXISTS([libpcre >= 7.2],
+ [HAVE_PCRE_PARTIAL=yes],
+ [HAVE_PCRE_PARTIAL=no])],
+ [HAVE_PCRE=no
+ HAVE_PCRE_PARTIAL=no])