texlive-20220321-fix-m4-syntax-errors.patch

diff -up texlive-20220321-source/m4/kpse-xpdf-flags.m4.omv~ texlive-20220321-source/m4/kpse-xpdf-flags.m4
--- texlive-20220321-source/m4/kpse-xpdf-flags.m4.omv~	2022-10-20 15:27:24.221590035 +0200
+++ texlive-20220321-source/m4/kpse-xpdf-flags.m4	2022-10-20 15:28:55.589125336 +0200
@@ -44,12 +44,10 @@ test "x$kpse_cv_have_win32" = xno || XPD
 # Keep this macro's expansion as a valid shell command, though.
 # since it is used internally in the configure scripts.
 # --------------------------------
-AC_DEFUN([KPSE_XPDF_OPTIONS], [dnl
-[m4_ifval([$1],
-          [AC_ARG_WITH([system-xpdf],
-                       AS_HELP_STRING([--with-system-xpdf],
-                                      [use installed poppler headers and library instead of xpdf library from TL (requires pkg-config)]))])[]dnl
-]) # KPSE_XPDF_OPTIONS
+AC_DEFUN([KPSE_XPDF_OPTIONS], [
+          AC_ARG_WITH([system-xpdf],
+                      AS_HELP_STRING([--with-system-xpdf],
+                                     [use installed poppler headers and library instead of xpdf library from TL (requires pkg-config)]))])
 
 # KPSE_XPDF_SYSTEM_FLAGS -- as above, no more poppler.
 # ----------------------