This is file patch-06-autoconf-warning for pkg-config-0.21 Fix autoconf (2.61a) warning AC_CACHE_VAL(glib_cv_sane_realloc, ...): suspicious presence of an AC_DEFINE in the second argument, where no actions should be taken diff -ur -x autom4te.cache -x aclocal.m4 -x configure -x Makefile.in -x config.h.in -x 'config.h.in~' pkg-config-0.21.orig/glib-1.2.8/configure.in pkg-config-0.21/glib-1.2.8/configure.in --- glib-1.2.8/configure.in 2006-08-16 20:24:29.000000000 +0200 +++ glib-1.2.8/configure.in 2007-01-19 15:05:37.000000000 +0100 @@ -405,11 +405,13 @@ return realloc (0, sizeof (int)) == 0; }], glib_cv_sane_realloc=yes - AC_DEFINE(REALLOC_0_WORKS) , glib_cv_sane_realloc=no ,) ]) +if test x$glib_cv_sane_realloc = xyes; then + AC_DEFINE(REALLOC_0_WORKS) +fi AC_MSG_RESULT($glib_cv_sane_realloc)