X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/61e09274bb3338efbd9c50f797751853c99dba3b..a1829d0ea1260a9e361191054d84242a9b7f0f15:/configure.ac

diff --git a/configure.ac b/configure.ac
index 978903e0..238e17a4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -137,20 +137,6 @@ fi
 AC_PROG_CC
 AM_PROG_CC_C_O
 
-AC_CACHE_CHECK([whether compiler supports -Wno-sign-compare],
-  [nmh_cv_has_nosigncompare],
-  [nmh_saved_cppflags="$CPPFLAGS"
-   CPPFLAGS="$CPPFLAGS -Wno-sign-compare"
-   AC_TRY_COMPILE([],[],nmh_cv_has_nosigncompare=yes,
-                  nmh_cv_has_nosigncompare=no)
-   CPPFLAGS="$nmh_saved_cppflags"])
-
-if test "$nmh_cv_has_nosigncompare" = 'yes'; then
-  dnl DISABLE_SIGN_COMPARE_WARNING=-Wno-sign-compare
-  DISABLE_SIGN_COMPARE_WARNING=
-fi
-AC_SUBST([DISABLE_SIGN_COMPARE_WARNING])dnl
-
 AC_CACHE_CHECK([whether compiler supports -Wextra], [nmh_cv_has_wextra],
 [nmh_saved_cflags="$CFLAGS"
  CFLAGS="$CFLAGS -Wextra -Werror"
@@ -163,13 +149,6 @@ AC_CACHE_CHECK([whether compiler supports -Wno-clobbered], [nmh_cv_has_noclobber
  AC_TRY_COMPILE([],[],nmh_cv_has_noclobbered=yes,nmh_cv_has_noclobbered=no)
  CFLAGS="$nmh_saved_cflags"])
 
-AC_CACHE_CHECK([whether compiler supports -Wno-pointer-sign], [nmh_cv_has_noptrsign],
-[nmh_saved_cflags="$CFLAGS"
- CFLAGS="$CFLAGS -Wno-pointer-sign -Werror"
-dnl  AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=yes,nmh_cv_has_noptrsign=no)
- AC_TRY_COMPILE([],[],nmh_cv_has_noptrsign=no,nmh_cv_has_noptrsign=no)
- CFLAGS="$nmh_saved_cflags"])
-
 dnl Can't use -ansi with gcc 4.5.3 on Cygwin, at least through setup
 dnl setup version 2.763, because it disables some features in the
 dnl system system header files and warns about them with -Wall.  Try
@@ -205,9 +184,6 @@ fi
 if test "$nmh_cv_has_wextra" = "yes"; then
     nmh_gcc_warnflags="${nmh_gcc_warnflags} -Wextra"
 fi
-if test "$nmh_cv_has_noptrsign" = "yes"; then
-    nmh_gcc_warnflags="${nmh_gcc_warnflags} -Wno-pointer-sign"
-fi
 if test "$nmh_cv_has_noclobbered" = "yes"; then
     nmh_gcc_warnflags="${nmh_gcc_warnflags} -Wno-clobbered"
 fi
@@ -235,6 +211,8 @@ if test -n "$auto_cflags"; then
     else
       test -z "$CFLAGS" && CFLAGS=-O  || CFLAGS="$CFLAGS -O"
     fi
+    AC_DEFINE([NDEBUG], [1],
+              [Define to disable run-time debugging and asserts.])
   fi
 fi