X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/374f6a5f34a83d3e4c518f0726558642293fdd71..a18baf565e872759de9281c3488c3981d19a15e1:/configure.ac

diff --git a/configure.ac b/configure.ac
index 22ec494214..aaddfcd738 100644
--- a/configure.ac
+++ b/configure.ac
@@ -967,6 +967,11 @@ AS_IF([test $gl_gcc_warnings = no],
     nw="$nw -Wcast-align"
   fi
 
+  # This causes too much noise in the MinGW build
+  if test $opsys = mingw32; then
+    nw="$nw -Wpointer-sign"
+  fi
+
   gl_MANYWARN_ALL_GCC([ws])
   gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
   for w in $ws; do
@@ -981,13 +986,16 @@ AS_IF([test $gl_gcc_warnings = no],
 
   # More things that clang is unduly picky about.
   if test $emacs_cv_clang = yes; then
-    gl_WARN_ADD([-Wno-format-extra-args])
+    gl_WARN_ADD([-Wno-tautological-compare])
     gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
-    gl_WARN_ADD([-Wno-unused-command-line-argument])
-    gl_WARN_ADD([-Wno-unused-value])
   fi
 
-  AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.])
+  # This causes too much noise in the MinGW build
+  if test $opsys = mingw32; then
+    gl_WARN_ADD([-Wno-pointer-sign])
+  fi
+
+  AC_DEFINE([GCC_LINT], [1], [Define to 1 if --enable-gcc-warnings.])
   AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks])
   AH_VERBATIM([GNULIB_PORTCHECK_FORTIFY_SOURCE],
   [/* Enable compile-time and run-time bounds-checking, and some warnings,
@@ -3237,34 +3245,29 @@ fi
 
 ### Use -lXpm if available, unless '--with-xpm=no'.
 ### mingw32 doesn't use -lXpm, since it loads the library dynamically.
-### In the Cygwin-w32 build, we need to use /usr/include/noX/X11/xpm.h
-### rather than /usr/include/X11/xpm.h, so we set CPPFLAGS (and
-### LDFLAGS) accordingly.
+### The Cygwin-w32 build uses <noX/xpm.h> instead of <X11/xpm.h>, so
+### we need to set LDFLAGS accordingly.
 HAVE_XPM=no
 LIBXPM=
 if test "${HAVE_W32}" = "yes" && test "${opsys}" = "cygwin"; then
   if test "${with_xpm}" != "no"; then
-    SAVE_CPPFLAGS="$CPPFLAGS"
     SAVE_LDFLAGS="$LDFLAGS"
-    CPPFLAGS="$CPPFLAGS -I/usr/include/noX"
     LDFLAGS="$LDFLAGS -L/usr/lib/noX"
-    AC_CHECK_HEADER(X11/xpm.h,
+    AC_CHECK_HEADER(noX/xpm.h,
       [AC_CHECK_LIB(Xpm, XpmReadFileToImage, HAVE_XPM=yes)])
     if test "${HAVE_XPM}" = "yes"; then
       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
       AC_EGREP_CPP(no_return_alloc_pixels,
-      [#include "X11/xpm.h"
+      [#include "noX/xpm.h"
 #ifndef XpmReturnAllocPixels
 no_return_alloc_pixels
 #endif
       ], HAVE_XPM=no, HAVE_XPM=yes)
 
       if test "${HAVE_XPM}" = "yes"; then
-        REAL_CPPFLAGS="$REAL_CPPFLAGS -I/usr/include/noX"
 	AC_MSG_RESULT(yes)
       else
 	AC_MSG_RESULT(no)
-        CPPFLAGS="$SAVE_CPPFLAGS"
         LDFLAGS="$SAVE_LDFLAGS"
       fi
     fi
@@ -3840,7 +3843,7 @@ lrand48 random rint \
 select getpagesize setlocale newlocale \
 getrlimit setrlimit shutdown \
 pthread_sigmask strsignal setitimer \
-sendto recvfrom getsockname getpeername getifaddrs freeifaddrs \
+sendto recvfrom getsockname getifaddrs freeifaddrs \
 gai_strerror sync \
 getpwent endpwent getgrent endgrent \
 cfmakeraw cfsetspeed copysign __executable_start log2)
@@ -4284,23 +4287,32 @@ else
     [Returns true if character is any form of separator.])
 fi
 
-AH_TEMPLATE(NO_EDITRES, [Define if XEditRes should not be used.])
-
-case $opsys in
-  aix4-2)
-    dnl Unfortunately without libXmu we cannot support EditRes.
-    if test "x$ac_cv_search_XmuConvertStandardSelection" = xno; then
-      AC_DEFINE(NO_EDITRES, 1)
-    fi
-    ;;
-
-  hpux*)
-    dnl Assar Westerlund <assar@sics.se> says this is necessary for
-    dnl HP-UX 10.20, and that it works for HP-UX 0 as well.
-    AC_DEFINE(NO_EDITRES, 1)
+if test "$USE_X_TOOLKIT" != "none"; then
+  have_editres=yes
+  case $opsys in
+    hpux*)
+      dnl Assar Westerlund <assar@sics.se> says this is necessary
+      dnl for HP-UX 10.20, and that it works for HP-UX 0 as well.
+      have_editres=no
     ;;
-esac
-
+  esac
+  if test "$have_editres" != no && test ! -z "$LIBXMU"; then
+    OLDLIBS="$LIBS"
+    dnl See libXmu.a check above.
+    if test x$HAVE_X11XTR6 = xyes; then
+      LIBS="-lXt -lSM -lICE $LIBXMU"
+    else
+      OTHERLIBS="-lXt -$LIBXMU"
+    fi
+    AC_TRY_LINK(
+      [#include <X11/Intrinsic.h>
+       #include <X11/Xmu/Editres.h>],
+      [_XEditResCheckMessages (0, 0, 0, 0);],
+      [AC_DEFINE([X_TOOLKIT_EDITRES], 1,
+        [Define to 1 if we should use XEditRes.])])
+    LIBS=$OLDLIBS
+  fi
+fi
 
 case $opsys in
   sol2* | unixware )
@@ -5228,9 +5240,10 @@ emacs_config_features=
 for opt in XAW3D XPM JPEG TIFF GIF PNG RSVG CAIRO IMAGEMAGICK SOUND GPM DBUS \
   GCONF GSETTINGS NOTIFY ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT \
   LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS X_TOOLKIT X11 NS MODULES \
-  XWIDGETS LIBSYSTEMD; do
+  XWIDGETS LIBSYSTEMD CANNOT_DUMP; do
 
     case $opt in
+      CANNOT_DUMP) eval val=\${$opt} ;;
       NOTIFY|ACL) eval val=\${${opt}_SUMMARY} ;;
       TOOLKIT_SCROLL_BARS|X_TOOLKIT) eval val=\${USE_$opt} ;;
       *) eval val=\${HAVE_$opt} ;;