X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=configure.ac;h=955ca71b2e99929c0734c80e50f36f637134c9be;hp=f5f4b13f4ef48e778ebe0b310e8f1637b0a8d3f0;hb=81e21f0212e45ba3c82a5d812cffbcdcdca01706;hpb=3b15dec3c0f081021c6d2a17a9c53d8353490a00

diff --git a/configure.ac b/configure.ac
index f5f4b13..955ca71 100644
--- a/configure.ac
+++ b/configure.ac
@@ -853,6 +853,9 @@ if test  "$enable_tcl" = "yes"; then
   else
 	. $tcl_config
 	TCL_PACKAGE_DIR="$TCL_PACKAGE_PATH/tclrrd$VERSION"
+	if test -n "$TCL_INC_DIR"; then
+	  TCL_INCLUDE_SPEC="$TCL_INCLUDE_SPEC -I$TCL_INC_DIR"
+	fi
   fi
   AC_ARG_ENABLE(tcl,[  --enable-tcl-site        install the tcl extension in the tcl tree],
   [],[enable_tcl_site=yes])
@@ -872,7 +875,7 @@ AC_SUBST(TCL_LD_SEARCH_FLAGS)
 AC_SUBST(TCL_STUB_LIB_SPEC)
 AC_SUBST(TCL_VERSION)
 AC_SUBST(TCL_PACKAGE_DIR)
-AC_SUBST(TCL_INC_DIR)
+AC_SUBST(TCL_INCLUDE_SPEC)
 
 AC_ARG_ENABLE(python,[  --disable-python        do not build the python modules],
 [],[enable_python=yes])