Change logic for finding tcl.h to look in /usr/include and tcl direct…

…ories before trying pkg-config

configure

@@ -4028,15 +4028,22 @@ if test "$ALLOW_TCL_MFILES" = no ; then
 fi
 
 if test "$FAST_TCL_INTERP" = yes ; then
-   TCL_INCLUDE=/usr/include/tcl
    TCL_LIBS="-ltcl"
    OS=$(uname -s)
    if test "$OS" = Darwin ; then
      TCL_INCLUDE=$(xcrun --show-sdk-path)
      TCL_INCLUDE=${DIR}/usr/include
+   else
+     for i in "" tcl tcl8.8 tcl8.7 tcl8.6 tcl8.5; do
+        if test -f /usr/include/$i/tcl.h ; then
+	   TCL_INCLUDE=/usr/include/$i
+	   break;
+	fi
+     done
    fi
 
-   # Extract the first word of "pkg-config", so it can be a program name with args.
+   if test -z "$TCL_INCLUDE" ; then
+       # Extract the first word of "pkg-config", so it can be a program name with args.
 set dummy pkg-config; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
 $as_echo_n "checking for $ac_word... " >&6; }
@@ -4077,15 +4084,16 @@ $as_echo "no" >&6; }
 fi
 
 
-   if  ! test x$pkgConfig = "x"; then
-       for i in tcl tcl8.8 tcl8.7 tcl8.6 tcl8.5; do
-           $pkgConfig --exists $i
-           if test $? = 0; then
-               TCL_INCLUDE=`$pkgConfig --cflags $i | sed -e 's/^-I//' -e 's/ //g'`
-               TCL_LIBS=`$pkgConfig --libs $i`
-               break
-           fi
-       done
+       if  ! test x$pkgConfig = "x"; then
+           for i in tcl tcl8.8 tcl8.7 tcl8.6 tcl8.5; do
+               $pkgConfig --exists $i
+               if test $? = 0; then
+                   TCL_INCLUDE=`$pkgConfig --cflags $i | sed -e 's/^-I//' -e 's/ //g'`
+                   TCL_LIBS=`$pkgConfig --libs $i`
+                   break
+               fi
+           done
+       fi
    fi
 
    CPPFLAGS="-I $TCL_INCLUDE"
@@ -5112,7 +5120,6 @@ fi
 
   PATH_TO_LUA=$(FOLLOW_READLINK $FIND_PATH_TO_LUA)
 fi
-echo "2) PATH_TO_LUA: $PATH_TO_LUA"
 
 if ! command -v $PATH_TO_LUAC &>/dev/null ; then
   echo 'The program "'$PATH_TO_LUAC'" must be in your path'

configure.ac

@@ -776,7 +776,6 @@ if test ${PATH_TO_LUA:0:1} != '/' ; then
   AC_PATH_PROG(FIND_PATH_TO_LUA, $PATH_TO_LUA)
   PATH_TO_LUA=$(FOLLOW_READLINK $FIND_PATH_TO_LUA)
 fi
-echo "2) PATH_TO_LUA: $PATH_TO_LUA"
 
 if ! command -v $PATH_TO_LUAC &>/dev/null ; then
   echo 'The program "'$PATH_TO_LUAC'" must be in your path'