$NetBSD: patch-configure,v 1.3 2022/11/26 13:07:52 taca Exp $

* Adding Interix support.
* Ignore doxygen.
* Ignore VCS.
* Handle SSP in pkgsrc.
* Retain _XOPEN_SOURCE, fixes eventmachine.
* Fix argument for pthread_self() on NetBSD.

--- configure.orig	2022-11-24 11:04:58.000000000 +0000
+++ configure
@@ -9270,7 +9270,7 @@ else $as_nop
 then :
 
 	case "$target_os" in #(
-  darwin*) :
+  nodarwin*) :
 
 	    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for real target cpu" >&5
 printf %s "checking for real target cpu... " >&6; }
@@ -11095,6 +11095,7 @@ fi
 	stack_protector=no
      ;; #(
   *) :
+	stack_protector=no
      ;;
 esac
     if test -z "${stack_protector+set}"
@@ -12893,18 +12894,6 @@ then :
      CPPFLAGS="$CPPFLAGS ${rb_opt}" ;;
 esac
 	done
-		    # _XOPEN_SOURCE should not be defined for C++ on Solaris.
-		    # RUBY_APPEND_OPTIONS(CXXFLAGS)
-	for rb_opt in -U_XOPEN_SOURCE; do
-	case " ${CXXFLAGS-} " in #(
-  *" ${rb_opt} "*) :
-     ;; #(
-  '  ') :
-     CXXFLAGS="${rb_opt}" ;; #(
-  *) :
-     CXXFLAGS="$CXXFLAGS ${rb_opt}" ;;
-esac
-	done
 
 fi
 
@@ -13060,6 +13049,10 @@ esac
 
 			ac_cv_func___builtin_setjmp=no
 		 ;; #(
+  interix*) :
+	LIBS="-lm $LIBS"
+	ac_cv_func_getpgrp_void=yes
+		 ;; #(
   *) :
      ;;
 esac
@@ -24715,7 +24708,9 @@ else
 #include <stdlib.h>
 #include <stddef.h>
 #ifndef alloca
-# ifdef __GNUC__
+# if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
+#   include <stdlib.h>
+# elif defined __GNUC__
 #  define alloca __builtin_alloca
 # elif defined _MSC_VER
 #  include <malloc.h>
@@ -29662,7 +29657,9 @@ fi
   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*) :
 
@@ -29833,7 +29830,7 @@ fi
       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $flag is accepted for bundle" >&5
 printf %s "checking whether $flag is accepted for bundle... " >&6; }
       : > conftest.c
-      if ${LDSHARED/'$(CC)'/$CC} -o conftest.bundle $flag conftest.c >/dev/null 2>conftest.err &&
+      if $(echo ${LDSHARED} | sed -e "s/'$(CC)'/$CC/g") -o conftest.bundle $flag conftest.c >/dev/null 2>conftest.err &&
           test ! -s conftest.err
 then :
 
@@ -30991,7 +30988,7 @@ fi
 	 ;; #(
   freebsd*|dragonfly*) :
 
-	LIBRUBY_SO='lib$(RUBY_SO_NAME).$(SOEXT).$(MAJOR)$(MINOR)'
+	LIBRUBY_SO='lib$(RUBY_SO_NAME).$(SOEXT).$(MAJOR)$(MINOR)$(TEENY)'
 	LIBRUBY_SONAME='$(LIBRUBY_SO)'
 	if test "$rb_cv_binary_elf" != "yes"
 then :
@@ -31072,9 +31069,10 @@ esac
 	 ;; #(
   darwin*) :
 
+	RUBY_SO_NAME="${RUBY_SO_NAME}"'.$(RUBY_PROGRAM_VERSION)'
 	LIBRUBY_SO='lib$(RUBY_SO_NAME).$(SOEXT)'
-	LIBRUBY_SONAME='$(LIBRUBY_SO)'
-	LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).$(SOEXT)'
+	LIBRUBY_SONAME='lib$(RUBY_BASE_NAME).$(RUBY_API_VERSION).$(SOEXT)'
+	LIBRUBY_ALIASES='$(LIBRUBY_SONAME) lib$(RUBY_INSTALL_NAME).$(SOEXT)'
 	if test "$load_relative" = yes
 then :
 
@@ -31097,7 +31095,12 @@ fi
 	 ;; #(
   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*) :
 
@@ -31290,7 +31293,7 @@ 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"
@@ -34101,21 +34104,7 @@ which seems to be undefined.  Please mak
     "Makefile":F)
     tmpmk=confmk$$.tmp
     {
-	if test ${VCS+set}
-then :
-
-	    :
-
-elif git_dir=`$GIT --work-tree="$srcdir" --git-dir="$srcdir/.git" rev-parse --git-dir 2>/dev/null`
-then :
-
-	    VCS='$(GIT)'
-
-else $as_nop
-
 	    VCS='echo cannot'
-
-fi
 	case "$VCS" in #(
   '$(GIT)'|git) :
     VCSUP='$(VCS) pull --rebase $(GITPULLOPTIONS)' ;; #(