Commit 4420074 for zlib

commit 442007457fa6f18e338605794475f47fa214636e
Author: Mark Adler <git@madler.net>
Date:   Fri Oct 30 19:19:24 2026 -0700

    Use the generated zconf.h for the test programs when out of tree.

    When configure was run out of tree, the test programs were
    compiled with the source tree's unconfigured zconf.h instead of the
    one configure generated. Now the generated zconf.h is used.

diff --git a/configure b/configure
index 4e6c8d8..61ca1c8 100755
--- a/configure
+++ b/configure
@@ -26,7 +26,7 @@ if test $SRCDIR = "."; then
     SRCDIR=""
 else
     ZINC='-I. -include zconf.h'
-    ZINCOUT='-I. -I$(SRCDIR)'
+    ZINCOUT='-I. -I$(SRCDIR) -include zconf.h'
     SRCDIR="$SRCDIR/"
 fi

@@ -403,6 +403,7 @@ else
          fi
          if test -n "$ZINC"; then
              ZINC='-I- -I. -I$(SRCDIR)'
+             ZINCOUT='-I- -I. -I$(SRCDIR)'
          fi
          ;;
   SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"}