Jacek Caban : configure: Don't use empty expression in clang check.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: d815623bf644b50df2d8961b329970880a2e626e
URL:    https://gitlab.winehq.org/wine/wine/-/commit/d815623bf644b50df2d8961b3299708...

Author: Jacek Caban <jacek(a)codeweavers.com>
Date:   Thu Nov 30 00:18:49 2023 +0100

configure: Don't use empty expression in clang check.

Avoids m4_default default action.

---

 configure    | 2 +-
 configure.ac | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index b54e50cd7a9..a6f056e839f 100755
--- a/configure
+++ b/configure
@@ -10733,7 +10733,7 @@ eval ac_res=\$$as_ac_var
 printf "%s\n" "$ac_res" >&6; }
 if eval test \"x\$"$as_ac_var"\" = x"yes"
 then :
-  as_fn_append ${wine_arch}_EXTRACFLAGS " $llvm_extra_cflags $llvm_cflags"
+  :
 else $as_nop
   llvm_extra_cflags=""
 fi }
diff --git a/configure.ac b/configure.ac
index cafe3dbc047..6454b1c50a0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -900,7 +900,7 @@ do
         WINE_TRY_PE_CFLAGS([$llvm_extra_cflags $llvm_cflags --no-default-config],
                            [llvm_extra_cflags="$llvm_extra_cflags --no-default-config"
                             llvm_extra_ldflags="--no-default-config"],
-                           [WINE_TRY_PE_CFLAGS([$llvm_extra_cflags $llvm_cflags],[],
+                           [WINE_TRY_PE_CFLAGS([$llvm_extra_cflags $llvm_cflags],[:],
                                                [llvm_extra_cflags=""])])
         if test -n "$llvm_extra_cflags"
         then