From e01556bf87ef7ea1361222f93805c95d4a5c474a Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Tue, 21 May 2024 19:50:55 +0000
Subject: Add tommath-????/zlib-???? to build-info if libtommath/zlib is
 statically linked

---
 generic/tclEvent.c  | 14 ++++++++++++++
 unix/configure      |  3 +++
 unix/configure.ac   |  1 +
 unix/tclConfig.h.in |  3 +++
 win/configure       |  3 +++
 win/configure.ac    |  1 +
 win/makefile.vc     |  4 ++++
 7 files changed, 29 insertions(+)

diff --git a/generic/tclEvent.c b/generic/tclEvent.c
index e832422..79e7050 100644
--- a/generic/tclEvent.c
+++ b/generic/tclEvent.c
@@ -1128,6 +1128,20 @@ static const struct {
 #ifdef STATIC_BUILD
 	    ".static"
 #endif
+#ifndef TCL_WITH_EXTERNAL_TOMMATH
+	    ".tommath-0103"
+#endif
+#ifdef TCL_WITH_INTERNAL_ZLIB
+	    ".zlib-"
+#if ZLIB_VER_MAJOR < 10
+	    "0"
+#endif
+	    STRINGIFY(ZLIB_VER_MAJOR)
+#if ZLIB_VER_MINOR < 10
+	    "0"
+#endif
+	    STRINGIFY(ZLIB_VER_MINOR)
+#endif
 }};
 
 const char *
diff --git a/unix/configure b/unix/configure
index 092f19c..85e66bc 100755
--- a/unix/configure
+++ b/unix/configure
@@ -5205,6 +5205,9 @@ then :
   ZLIB_INCLUDE=-I\${ZLIB_DIR}
 
 
+printf "%s\n" "#define TCL_WITH_INTERNAL_ZLIB 1" >>confdefs.h
+
+
 fi
 
 printf "%s\n" "#define HAVE_ZLIB 1" >>confdefs.h
diff --git a/unix/configure.ac b/unix/configure.ac
index a74d494..f1f66be 100644
--- a/unix/configure.ac
+++ b/unix/configure.ac
@@ -165,6 +165,7 @@ AS_IF([test $zlib_ok = no], [
   AC_SUBST(ZLIB_OBJS,[\${ZLIB_OBJS}])
   AC_SUBST(ZLIB_SRCS,[\${ZLIB_SRCS}])
   AC_SUBST(ZLIB_INCLUDE,[-I\${ZLIB_DIR}])
+  AC_DEFINE(TCL_WITH_INTERNAL_ZLIB, 1, [Tcl with internal zlib])
 ])
 AC_DEFINE(HAVE_ZLIB, 1, [Is there an installed zlib?])
 
diff --git a/unix/tclConfig.h.in b/unix/tclConfig.h.in
index cc75c29..4b677c1 100644
--- a/unix/tclConfig.h.in
+++ b/unix/tclConfig.h.in
@@ -453,6 +453,9 @@
 /* Tcl with external libtommath */
 #undef TCL_WITH_EXTERNAL_TOMMATH
 
+/* Tcl with internal zlib */
+#undef TCL_WITH_INTERNAL_ZLIB
+
 /* Is getcwd Posix-compliant? */
 #undef USEGETWD
 
diff --git a/win/configure b/win/configure
index 94e04f5..c783189 100755
--- a/win/configure
+++ b/win/configure
@@ -5044,6 +5044,9 @@ fi
 
 else case e in #(
   e)
+
+printf "%s\n" "#define TCL_WITH_INTERNAL_ZLIB 1" >>confdefs.h
+
   ZLIB_OBJS=\${ZLIB_OBJS}
 
   TOMMATH_OBJS=\${TOMMATH_OBJS}
diff --git a/win/configure.ac b/win/configure.ac
index 25fa29f..f0288c7 100644
--- a/win/configure.ac
+++ b/win/configure.ac
@@ -169,6 +169,7 @@ AS_IF([test "$tcl_ok" = "yes"], [
     AC_SUBST(TOMMATH_LIBS,[\${TOMMATH_DIR_NATIVE}/win32/tommath.lib])
   ])
 ], [
+  AC_DEFINE(TCL_WITH_INTERNAL_ZLIB, 1, [Tcl with internal zlib])
   AC_SUBST(ZLIB_OBJS,[\${ZLIB_OBJS}])
   AC_SUBST(TOMMATH_OBJS,[\${TOMMATH_OBJS}])
 ])
diff --git a/win/makefile.vc b/win/makefile.vc
index b79e8ee..f1d1d84 100644
--- a/win/makefile.vc
+++ b/win/makefile.vc
@@ -471,6 +471,10 @@ LIBTCLVFS = $(OUT_DIR)\$(LIBTCLVFSSUBDIR)
 PRJ_INCLUDES	= -I"$(TOMMATHDIR)"
 PRJ_DEFINES	= /DTCL_TOMMATH /DMP_PREC=4 /Dinline=__inline /DHAVE_ZLIB=1 /D_CRT_SECURE_NO_DEPRECATE /D_CRT_NONSTDC_NO_DEPRECATE /DMP_FIXED_CUTOFFS
 
+!if $(STATIC_BUILD)
+PRJ_DEFINES = $(PRJ_DEFINES) /DTCL_WITH_INTERNAL_ZLIB
+!endif
+
 # Additional Link libraries needed beyond those in rules.vc
 PRJ_LIBS   = netapi32.lib user32.lib userenv.lib ws2_32.lib
 
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