$NetBSD: patch-configure,v 1.1 2015/12/30 14:59:42 taca Exp $

* Adding Interix support.
* Ignore doxygen.

--- configure.orig	2015-12-24 16:44:18.000000000 +0000
+++ configure
@@ -5676,7 +5676,7 @@ esac
 else
     if test x"$target_alias" = x; then
 	case "$target_os" in #(
-  darwin*) :
+  notdarwin*) :
 
 	    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for real target cpu" >&5
 $as_echo_n "checking for real target cpu... " >&6; }
@@ -9172,6 +9172,10 @@ esac
 		ac_cv_func_isinf=yes
 		ac_cv_func_isnan=yes
 		 ;; #(
+  interix*) :
+	LIBS="-lm $LIBS"
+	ac_cv_func_getpgrp_void=yes
+		 ;; #(
   nacl) :
 
   LIBS="-lm $LIBS"
@@ -17900,6 +17904,8 @@ else
 # ifdef _MSC_VER
 #  include <malloc.h>
 #  define alloca _alloca
+# elif defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
+#   include <stdlib.h>
 # else
 #  ifdef HAVE_ALLOCA_H
 #   include <alloca.h>
@@ -22340,7 +22346,9 @@ esac ;; #(
   interix*) :
     	: ${LDSHARED='$(CC) -shared'}
 			XLDFLAGS="$XLDFLAGS -Wl,-E"
+			DLDFLAGS="$DLDFLAGS "'-Wl,-h,$(.TARGET) -Wl,--image-base,$$(($$RANDOM %4096/2*262144+1342177280))'
 			LIBPATHFLAG=" -L%1\$-s"
+			RPATHFLAG=' -Wl,-R%1$-s'
 			rb_cv_dlopen=yes ;; #(
   freebsd*|dragonfly*) :
 
@@ -23518,7 +23526,7 @@ esac
   freebsd*|dragonfly*) :
 
 	SOLIBS='$(LIBS)'
-	LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR)'
+	LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR)$(TEENY)'
 	if test "$rb_cv_binary_elf" != "yes" ; then
 	    LIBRUBY_SO="$LIBRUBY_SO.\$(TEENY)"
 	    LIBRUBY_ALIASES=''
@@ -23587,7 +23595,12 @@ esac
 	 ;; #(
   interix*) :
 
-	LIBRUBYARG_SHARED='-L. -L${libdir} -l$(RUBY_SO_NAME)'
+	SOLIBS='$(LIBS)'
+	LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR).$(TEENY)'
+	# link explicitly to 0x48000000
+	LIBRUBY_DLDFLAGS='-Wl,-h,lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR) -Wl,--image-base,1207959552'
+	LIBRUBYARG_SHARED='-Wl,-R -Wl,${PREFIX}/lib} -L${libdir} -L. -l$(RUBY_SO_NAME)'
+	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR) lib$(RUBY_SO_NAME).so'
 	 ;; #(
   mingw*|cygwin*|mswin*) :
 
@@ -23755,7 +23768,7 @@ if test "$enable_rpath" = yes; then
 esac
     rpathflag=`IFS="$PATH_SEPARATOR"
         echo x "$rpathflag" |
-        sed "s/^x *//;s${IFS}"'%1\\$-s'"${IFS}${libprefix}${IFS}g;s${IFS}%s${IFS}${libprefix}${IFS}g"
+        sed "s/^x *//;s${IFS}"'%1\\$-s'"${IFS}${libprefix}${IFS}g;s${IFS}%s${IFS}${PREFIX}/lib${IFS}g"
     `
     LIBRUBY_RPATHFLAGS="$LIBRUBY_RPATHFLAGS${rpathflag}"
     LIBRUBYARG_SHARED="$LIBRUBY_RPATHFLAGS $LIBRUBYARG_SHARED"
@@ -24146,11 +24159,7 @@ if test "$install_doc" != no; then
     else
 	RDOCTARGET="nodoc"
     fi
-    if test "$install_capi" != no -a -n "$DOXYGEN"; then
-	CAPITARGET="capi"
-    else
-	CAPITARGET="nodoc"
-    fi
+    CAPITARGET="nodoc"
 else
     RDOCTARGET="nodoc"
     CAPITARGET="nodoc"
@@ -26183,17 +26192,7 @@ which seems to be undefined.  Please mak
     "Makefile":F)
     tmpmk=confmk$$.tmp
     {
-	if test ${VCS+set}; then
-	    :
-	elif svn info "$srcdir" > /dev/null 2>&1; then
-	    VCS='svn'
-	elif test -d "$srcdir/.git/svn"; then
-	    VCS='git svn'
-	elif test -d "$srcdir/.git"; then
-	    VCS='git'
-	else
-	    VCS='echo cannot'
-	fi
+	VCS='echo cannot'
 	case "$VCS" in #(
   svn) :
     VCSUP='$(VCS) up $(SVNUPOPTIONS)' ;; #(