commit 823b36d98b
Author: Andrew Dunstan <andrew@dunslane.net>
Date:   Sun Feb 6 10:53:06 2022 -0500

    Use gendef instead of pexports for building windows .def files
    
    Modern msys systems lack pexports but have gendef instead, so use that.
    
    Discussion: https://postgr.es/m/20d4fa3a-e0f1-0ac4-1657-0698ee1c511f@dunslane.net>

diff --git a/src/pl/plperl/GNUmakefile b/src/pl/plperl/GNUmakefile
index 919d46453f..a2e6410f53 100644
--- a/src/pl/plperl/GNUmakefile
+++ b/src/pl/plperl/GNUmakefile
@@ -48,7 +48,7 @@ lib$(perlwithver).a: $(perlwithver).def
 	dlltool --dllname $(perlwithver).dll --def $(perlwithver).def --output-lib lib$(perlwithver).a
 
 $(perlwithver).def: $(PERLDLL)
-	pexports $^ > $@
+	gendef - $^ > $@
 
 endif # win32
 
diff --git a/src/pl/plpython/Makefile b/src/pl/plpython/Makefile
index 9e95285af8..a83ae8865c 100644
--- a/src/pl/plpython/Makefile
+++ b/src/pl/plpython/Makefile
@@ -69,7 +69,7 @@ libpython${pytverstr}.a: python${pytverstr}.def
 	dlltool --dllname python${pytverstr}.dll --def python${pytverstr}.def --output-lib libpython${pytverstr}.a
 
 python${pytverstr}.def:
-	pexports $(PYTHONDLL) > $@
+	gendef - $(PYTHONDLL) > $@
 
 endif # win32
 
diff --git a/src/pl/tcl/Makefile b/src/pl/tcl/Makefile
index 1e7740da3f..25e65189b6 100644
--- a/src/pl/tcl/Makefile
+++ b/src/pl/tcl/Makefile
@@ -46,7 +46,7 @@ lib$(tclwithver).a: $(tclwithver).def
 	dlltool --dllname $(tclwithver).dll --def $(tclwithver).def --output-lib lib$(tclwithver).a
 
 $(tclwithver).def: $(TCLDLL)
-	pexports $^ > $@
+	gendef - $^ > $@
 
 endif # win32