Forcefully disable /usr/bin/foo-config detection

If a foo-config script is missing from %{_cygwin_bindir} but is present
in /usr/bin, the latter will be found even though it is for the wrong
toolchain; use of this result will eventually lead to a compilation or
linking error.

Therefore it is not enough to specify foo-config locations which are in
%{_cygwin_bindir}, but disable detection of those only in /usr/bin as
well.

The FOO_CONFIG variables are also exported in config.cache form
(ac_cv_path_FOO_CONFIG) because many times the given variable is not
marked as special by AC_ARG_VAR.

1 files changed, 8 insertions, 1 deletions

diff --git a/macros.cygwin b/macros.cygwin
index e49430a..70dfe8e 100644
--- a/macros.cygwin
+++ b/macros.cygwin
@@ -92,9 +92,16 @@ package or when debugging this package.\
     ac_cv_prog_CXX=no; export ac_cv_prog_CXX; \
     CXXFLAGS=; export CXXFLAGS; \
   fi; \
-  for i in `ls %{_cygwin_bindir}/*|grep -- "-config\$"` ; do \
+  for i in `ls %{_bindir}/*|grep -- "[-_]config\$"` ; do \
+    case `basename $i` in pkg-config) continue ; esac ; \
+    x=`basename $i|tr "a-z+-\." "A-ZX__"`; \
+    declare -x $x="no" ; export $x; \
+    declare -x ac_cv_path_$x="no" ; export ac_cv_path_$x; \
+  done; \
+  for i in `ls %{_cygwin_bindir}/*|grep -- "[-_]config\$"` ; do \
     x=`basename $i|tr "a-z+-\." "A-ZX__"`; \
     declare -x $x="$i" ; export $x; \
+    declare -x ac_cv_path_$x="$i" ; export ac_cv_path_$x; \
   done; \
   if [ -x %{_cygwin_bindir}/autopoint ]; then \
     eval gettext_`grep '^version=' %{_cygwin_bindir}/autopoint`; \