build system: minor update

git-svn-id: svn://tug.org/texlive/trunk@16910 c570f23f-e606-0410-a88d-b1316a301751

47 files changed, 72 insertions, 97 deletions

diff --git a/Build/source/configure b/Build/source/configure
index f1f4ea4bf1e..f8cc8c4ea57 100755
--- a/Build/source/configure
+++ b/Build/source/configure
@@ -13771,7 +13771,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/libs/graphite/configure b/Build/source/libs/graphite/configure
index 053d3c78399..fa6a2b157f2 100755
--- a/Build/source/libs/graphite/configure
+++ b/Build/source/libs/graphite/configure
@@ -4421,7 +4421,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/libs/libpng/configure b/Build/source/libs/libpng/configure
index 2b018278f45..50eedcc4a72 100755
--- a/Build/source/libs/libpng/configure
+++ b/Build/source/libs/libpng/configure
@@ -3852,7 +3852,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/libs/teckit/configure b/Build/source/libs/teckit/configure
index df275b823e9..2627c20eb23 100755
--- a/Build/source/libs/teckit/configure
+++ b/Build/source/libs/teckit/configure
@@ -4457,7 +4457,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/libs/zziplib/configure b/Build/source/libs/zziplib/configure
index 8c1a1458da1..1a7acd1e708 100755
--- a/Build/source/libs/zziplib/configure
+++ b/Build/source/libs/zziplib/configure
@@ -4104,7 +4104,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/m4/kpse-warnings.m4 b/Build/source/m4/kpse-warnings.m4
index 0d481456b4f..6ff4d9547ef 100644
--- a/Build/source/m4/kpse-warnings.m4
+++ b/Build/source/m4/kpse-warnings.m4
@@ -150,7 +150,7 @@ AS_CASE([`$[]$1 -dumpversion`],
         [3.@<:@234@:>@.* | 4.*],
         [kpse_cv_warning_$2="$kpse_cv_warning_$2 -Wno-unknown-pragmas"])
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_$2="-Wall -Wunused -Wimplicit $kpse_cv_warning_$2"
+  kpse_cv_warning_$2="-Wall -Wunused $kpse_cv_warning_$2"
   kpse_cv_warning_$2="$kpse_cv_warning_$2 -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_$2="$kpse_cv_warning_$2 -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/afm2pl/configure b/Build/source/texk/afm2pl/configure
index dbfbe2b8cd4..d1ba9735e25 100755
--- a/Build/source/texk/afm2pl/configure
+++ b/Build/source/texk/afm2pl/configure
@@ -11354,7 +11354,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/bibtex8/configure b/Build/source/texk/bibtex8/configure
index bbdcde150ed..e2cb91ec376 100755
--- a/Build/source/texk/bibtex8/configure
+++ b/Build/source/texk/bibtex8/configure
@@ -11345,7 +11345,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/bibtexu/configure b/Build/source/texk/bibtexu/configure
index 581915be993..5d75062bcfd 100755
--- a/Build/source/texk/bibtexu/configure
+++ b/Build/source/texk/bibtexu/configure
@@ -11585,7 +11585,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/cjkutils/configure b/Build/source/texk/cjkutils/configure
index 15adf696a0c..1e6382783db 100755
--- a/Build/source/texk/cjkutils/configure
+++ b/Build/source/texk/cjkutils/configure
@@ -11361,7 +11361,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/detex/configure b/Build/source/texk/detex/configure
index 001a0f4426a..cbf96efcf2e 100755
--- a/Build/source/texk/detex/configure
+++ b/Build/source/texk/detex/configure
@@ -11357,7 +11357,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/devnag/configure b/Build/source/texk/devnag/configure
index 53b41ae09ec..dcb3a652a2b 100755
--- a/Build/source/texk/devnag/configure
+++ b/Build/source/texk/devnag/configure
@@ -3507,7 +3507,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/dtl/configure b/Build/source/texk/dtl/configure
index b0076ed9bcd..5fea776143f 100755
--- a/Build/source/texk/dtl/configure
+++ b/Build/source/texk/dtl/configure
@@ -11532,7 +11532,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/dvi2tty/configure b/Build/source/texk/dvi2tty/configure
index 63f827b32b1..d4ef08af126 100755
--- a/Build/source/texk/dvi2tty/configure
+++ b/Build/source/texk/dvi2tty/configure
@@ -11354,7 +11354,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/dvidvi/configure b/Build/source/texk/dvidvi/configure
index 96de7456879..494cacf9cbe 100755
--- a/Build/source/texk/dvidvi/configure
+++ b/Build/source/texk/dvidvi/configure
@@ -11354,7 +11354,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/dviljk/configure b/Build/source/texk/dviljk/configure
index 9edb926ff32..346284afba1 100755
--- a/Build/source/texk/dviljk/configure
+++ b/Build/source/texk/dviljk/configure
@@ -11523,7 +11523,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/dvipdfmx/configure b/Build/source/texk/dvipdfmx/configure
index f392cc875b9..f0052c374be 100755
--- a/Build/source/texk/dvipdfmx/configure
+++ b/Build/source/texk/dvipdfmx/configure
@@ -11649,7 +11649,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/dvipng/ChangeLog b/Build/source/texk/dvipng/ChangeLog
index 61dd8aacf7b..fe937349f88 100644
--- a/Build/source/texk/dvipng/ChangeLog
+++ b/Build/source/texk/dvipng/ChangeLog
@@ -1,3 +1,7 @@
+2010-02-02  Peter Breitenlohner  <peb@mppmu.mpg.de>
+
+	* configure.ac: Fix 'on demand' build.
+
 2010-01-19  Peter Breitenlohner  <peb@mppmu.mpg.de>
 
 	* Makefile.am, configure.ac: Rearrange for 'on demand' build.
diff --git a/Build/source/texk/dvipng/configure b/Build/source/texk/dvipng/configure
index 7c83efd555f..e4403fc232a 100755
--- a/Build/source/texk/dvipng/configure
+++ b/Build/source/texk/dvipng/configure
@@ -11613,7 +11613,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
@@ -15004,6 +15004,10 @@ ${top_builddir}/../../libs/gd/include/gd.h:
 fi
 
 
+# Assume we have t1lib and freetype2.
+have_t1=yes
+have_ft2=yes
+
 if test "x$enable_build" != xno || test -f config.force; then
 
 # Checks for more libraries.
@@ -15039,12 +15043,11 @@ eval LIBS=\"$T1LIB_LIBS \$LIBS\"
 
 ac_fn_c_check_func "$LINENO" "T1_InitLib" "ac_cv_func_T1_InitLib"
 if test "x$ac_cv_func_T1_InitLib" = x""yes; then :
-  have_ft2_or_t1=yes
 
 $as_echo "#define HAVE_LIBT1 1" >>confdefs.h
 
 else
-  have_ft2_or_t1=no
+  have_t1=no
 fi
 
 
@@ -15053,10 +15056,11 @@ eval LIBS=\"$FREETYPE2_LIBS \$LIBS\"
 
 ac_fn_c_check_func "$LINENO" "FT_Init_FreeType" "ac_cv_func_FT_Init_FreeType"
 if test "x$ac_cv_func_FT_Init_FreeType" = x""yes; then :
-  have_ft2_or_t1=yes
 
 $as_echo "#define HAVE_FT2 1" >>confdefs.h
 
+else
+  have_ft2=no
 fi
 
 
@@ -15173,30 +15177,9 @@ LIBS=$kpse_save_LIBS
 
 echo timestamp >config.force
 
-else
-
-# For TeX Live we always have t1lib and freetype2.
- if true; then
-  have_t1_TRUE=
-  have_t1_FALSE='#'
-else
-  have_t1_TRUE='#'
-  have_t1_FALSE=
 fi
 
- if true; then
-  have_ft2_TRUE=
-  have_ft2_FALSE='#'
-else
-  have_ft2_TRUE='#'
-  have_ft2_FALSE=
-fi
-
-have_ft2_or_t1=yes
-
-fi
-
- if test "x$ac_cv_func_T1_InitLib" = xyes; then
+ if test "x$have_t1" = xyes; then
   have_t1_TRUE=
   have_t1_FALSE='#'
 else
@@ -15204,7 +15187,7 @@ else
   have_t1_FALSE=
 fi
 
- if test "x$ac_cv_func_FT_Init_FreeType" = xyes; then
+ if test "x$have_ft2" = xyes; then
   have_ft2_TRUE=
   have_ft2_FALSE='#'
 else
@@ -15212,7 +15195,7 @@ else
   have_ft2_FALSE=
 fi
 
- if test "x$have_ft2_or_t1" = xyes; then
+ if test "x$have_ft2:$have_t1" != xno:no; then
   have_ft2_or_t1_TRUE=
   have_ft2_or_t1_FALSE='#'
 else
@@ -15408,14 +15391,6 @@ if test -z "${have_ft2_TRUE}" && test -z "${have_ft2_FALSE}"; then
   as_fn_error "conditional \"have_ft2\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
 fi
-if test -z "${have_t1_TRUE}" && test -z "${have_t1_FALSE}"; then
-  as_fn_error "conditional \"have_t1\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
-if test -z "${have_ft2_TRUE}" && test -z "${have_ft2_FALSE}"; then
-  as_fn_error "conditional \"have_ft2\" was never defined.
-Usually this means the macro was only invoked conditionally." "$LINENO" 5
-fi
 if test -z "${have_ft2_or_t1_TRUE}" && test -z "${have_ft2_or_t1_FALSE}"; then
   as_fn_error "conditional \"have_ft2_or_t1\" was never defined.
 Usually this means the macro was only invoked conditionally." "$LINENO" 5
diff --git a/Build/source/texk/dvipng/configure.ac b/Build/source/texk/dvipng/configure.ac
index afece4cf058..99cbf09632f 100644
--- a/Build/source/texk/dvipng/configure.ac
+++ b/Build/source/texk/dvipng/configure.ac
@@ -96,6 +96,10 @@ KPSE_T1LIB_FLAGS
 KPSE_FREETYPE2_FLAGS
 KPSE_GD_FLAGS
 
+# Assume we have t1lib and freetype2.
+have_t1=yes
+have_ft2=yes
+
 if test "x$enable_build" != xno || test -f config.force; then
 
 # Checks for more libraries.
@@ -112,16 +116,15 @@ AC_CHECK_FUNC([png_read_image],
 
 KPSE_ADD_FLAGS([t1lib])
 AC_CHECK_FUNC([T1_InitLib],
-              [have_ft2_or_t1=yes
-               AC_DEFINE([HAVE_LIBT1], 1,
+              [AC_DEFINE([HAVE_LIBT1], 1,
                          [Define to 1 if you have the `t1' library (-lt1).])],
-              [have_ft2_or_t1=no])
+              [have_t1=no])
 
 KPSE_ADD_FLAGS([freetype2])
 AC_CHECK_FUNC([FT_Init_FreeType],
-              [have_ft2_or_t1=yes
-               AC_DEFINE([HAVE_FT2], 1,
-                         [Define to 1 if you have freetype2.])])
+              [AC_DEFINE([HAVE_FT2], 1,
+                         [Define to 1 if you have freetype2.])],
+              [have_ft2=no])
 
 KPSE_ADD_FLAGS([gd])
 AC_CHECK_FUNC([gdImageCreate],
@@ -154,18 +157,11 @@ KPSE_RESTORE_FLAGS
 
 echo timestamp >config.force
 
-else
-
-# For TeX Live we always have t1lib and freetype2.
-AM_CONDITIONAL([have_t1], [true])
-AM_CONDITIONAL([have_ft2], [true])
-have_ft2_or_t1=yes
-
 fi
 
-AM_CONDITIONAL([have_t1], [test "x$ac_cv_func_T1_InitLib" = xyes])
-AM_CONDITIONAL([have_ft2], [test "x$ac_cv_func_FT_Init_FreeType" = xyes])
-AM_CONDITIONAL([have_ft2_or_t1], [test "x$have_ft2_or_t1" = xyes])
+AM_CONDITIONAL([have_t1], [test "x$have_t1" = xyes])
+AM_CONDITIONAL([have_ft2], [test "x$have_ft2" = xyes])
+AM_CONDITIONAL([have_ft2_or_t1], [test "x$have_ft2:$have_t1" != xno:no])
 AM_CONDITIONAL([have_gif], [test "x$ac_cv_func_gdImageGif" = xyes])
 
 AC_MSG_RESULT([
diff --git a/Build/source/texk/dvipos/configure b/Build/source/texk/dvipos/configure
index e916be7f065..1c5f105e235 100755
--- a/Build/source/texk/dvipos/configure
+++ b/Build/source/texk/dvipos/configure
@@ -11354,7 +11354,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/dvipsk/configure b/Build/source/texk/dvipsk/configure
index ea0ce7832ac..3ea42f7d4e1 100755
--- a/Build/source/texk/dvipsk/configure
+++ b/Build/source/texk/dvipsk/configure
@@ -11533,7 +11533,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/dvipsk/squeeze/configure b/Build/source/texk/dvipsk/squeeze/configure
index bb683858e99..18982c645f9 100755
--- a/Build/source/texk/dvipsk/squeeze/configure
+++ b/Build/source/texk/dvipsk/squeeze/configure
@@ -3304,7 +3304,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/dvisvgm/configure b/Build/source/texk/dvisvgm/configure
index 424b7057f03..90dfd4a7c11 100755
--- a/Build/source/texk/dvisvgm/configure
+++ b/Build/source/texk/dvisvgm/configure
@@ -11618,7 +11618,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/gsftopk/configure b/Build/source/texk/gsftopk/configure
index f63f9bdf9ae..6e96a6dc69f 100755
--- a/Build/source/texk/gsftopk/configure
+++ b/Build/source/texk/gsftopk/configure
@@ -11408,7 +11408,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/kpathsea/configure b/Build/source/texk/kpathsea/configure
index 87880578977..12c18e4a64f 100755
--- a/Build/source/texk/kpathsea/configure
+++ b/Build/source/texk/kpathsea/configure
@@ -11412,7 +11412,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/lacheck/configure b/Build/source/texk/lacheck/configure
index df734b42bd4..8d3ee0f5537 100755
--- a/Build/source/texk/lacheck/configure
+++ b/Build/source/texk/lacheck/configure
@@ -11349,7 +11349,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/lcdf-typetools/configure b/Build/source/texk/lcdf-typetools/configure
index 28bc0bdd25e..94399e8684a 100755
--- a/Build/source/texk/lcdf-typetools/configure
+++ b/Build/source/texk/lcdf-typetools/configure
@@ -11895,7 +11895,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/makeindexk/configure b/Build/source/texk/makeindexk/configure
index 59c8f72a688..0d7bc51e8e1 100755
--- a/Build/source/texk/makeindexk/configure
+++ b/Build/source/texk/makeindexk/configure
@@ -11345,7 +11345,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/musixflx/configure b/Build/source/texk/musixflx/configure
index c7ba98d5c59..6c989ecdf5c 100755
--- a/Build/source/texk/musixflx/configure
+++ b/Build/source/texk/musixflx/configure
@@ -3304,7 +3304,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/ps2pkm/configure b/Build/source/texk/ps2pkm/configure
index 62eaec9438c..2210166152a 100755
--- a/Build/source/texk/ps2pkm/configure
+++ b/Build/source/texk/ps2pkm/configure
@@ -11345,7 +11345,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/seetexk/configure b/Build/source/texk/seetexk/configure
index b4148154cbc..0e82076eaaf 100755
--- a/Build/source/texk/seetexk/configure
+++ b/Build/source/texk/seetexk/configure
@@ -11532,7 +11532,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/tex4htk/configure b/Build/source/texk/tex4htk/configure
index a72e64ba340..5365a0ec403 100755
--- a/Build/source/texk/tex4htk/configure
+++ b/Build/source/texk/tex4htk/configure
@@ -11532,7 +11532,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/ttf2pk/configure b/Build/source/texk/ttf2pk/configure
index b3548b5f62c..7a83d79f2d0 100755
--- a/Build/source/texk/ttf2pk/configure
+++ b/Build/source/texk/ttf2pk/configure
@@ -11366,7 +11366,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/ttfdump/configure b/Build/source/texk/ttfdump/configure
index a442270ff6f..8c265f9db9e 100755
--- a/Build/source/texk/ttfdump/configure
+++ b/Build/source/texk/ttfdump/configure
@@ -11520,7 +11520,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/web2c/configure b/Build/source/texk/web2c/configure
index e7f95a97c30..6d4e336394a 100755
--- a/Build/source/texk/web2c/configure
+++ b/Build/source/texk/web2c/configure
@@ -12037,7 +12037,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/web2c/web2c/configure b/Build/source/texk/web2c/web2c/configure
index c7903ab8bf3..8bd9d42da59 100755
--- a/Build/source/texk/web2c/web2c/configure
+++ b/Build/source/texk/web2c/web2c/configure
@@ -11531,7 +11531,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/xdv2pdf/configure b/Build/source/texk/xdv2pdf/configure
index adffb9ab4ba..406da9d76d6 100755
--- a/Build/source/texk/xdv2pdf/configure
+++ b/Build/source/texk/xdv2pdf/configure
@@ -11594,7 +11594,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
@@ -15801,7 +15801,7 @@ case `$OBJC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_objcflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_objcflags"
+  kpse_cv_warning_objcflags="-Wall -Wunused $kpse_cv_warning_objcflags"
   kpse_cv_warning_objcflags="$kpse_cv_warning_objcflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_objcflags="$kpse_cv_warning_objcflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/xdvik/configure b/Build/source/texk/xdvik/configure
index ebdf3a63001..303c4fa261e 100755
--- a/Build/source/texk/xdvik/configure
+++ b/Build/source/texk/xdvik/configure
@@ -11714,7 +11714,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/xdvik/squeeze/configure b/Build/source/texk/xdvik/squeeze/configure
index f7ec3ed4b1e..82a0c94c6eb 100755
--- a/Build/source/texk/xdvik/squeeze/configure
+++ b/Build/source/texk/xdvik/squeeze/configure
@@ -3304,7 +3304,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/texk/xdvipdfmx/configure b/Build/source/texk/xdvipdfmx/configure
index 0744dd629d6..4fb5f6a40b4 100755
--- a/Build/source/texk/xdvipdfmx/configure
+++ b/Build/source/texk/xdvipdfmx/configure
@@ -11672,7 +11672,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/utils/pdfopen/configure b/Build/source/utils/pdfopen/configure
index a497c6d3502..36a93820686 100755
--- a/Build/source/utils/pdfopen/configure
+++ b/Build/source/utils/pdfopen/configure
@@ -3475,7 +3475,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/utils/ps2eps/configure b/Build/source/utils/ps2eps/configure
index 66c5cc36433..177ecc52922 100755
--- a/Build/source/utils/ps2eps/configure
+++ b/Build/source/utils/ps2eps/configure
@@ -3305,7 +3305,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/utils/psutils/configure b/Build/source/utils/psutils/configure
index 23ca4650d2a..1a3d8be413d 100755
--- a/Build/source/utils/psutils/configure
+++ b/Build/source/utils/psutils/configure
@@ -3305,7 +3305,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/utils/t1utils/configure b/Build/source/utils/t1utils/configure
index f46d7da4f29..61b4c4db9d6 100755
--- a/Build/source/utils/t1utils/configure
+++ b/Build/source/utils/t1utils/configure
@@ -3977,7 +3977,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/utils/vlna/configure b/Build/source/utils/vlna/configure
index 89b0d6ae589..ca31042a181 100755
--- a/Build/source/utils/vlna/configure
+++ b/Build/source/utils/vlna/configure
@@ -3302,7 +3302,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"
diff --git a/Build/source/utils/xindy-new/configure b/Build/source/utils/xindy-new/configure
index 988c86bbe16..b8cf1ee694a 100755
--- a/Build/source/utils/xindy-new/configure
+++ b/Build/source/utils/xindy-new/configure
@@ -3759,7 +3759,7 @@ case `$CC -dumpversion` in #(
      ;;
 esac
 if test "x$enable_compiler_warnings" != xmin; then
-  kpse_cv_warning_cflags="-Wall -Wunused -Wimplicit $kpse_cv_warning_cflags"
+  kpse_cv_warning_cflags="-Wall -Wunused $kpse_cv_warning_cflags"
   kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wmissing-prototypes -Wmissing-declarations"
   if test "x$enable_compiler_warnings" != xyes; then
     kpse_cv_warning_cflags="$kpse_cv_warning_cflags -Wparentheses -Wswitch -Wtrigraphs -Wpointer-arith"