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-rw-r--r--acinclude.m434
1 files changed, 34 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
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--- a/dev/null
+++ b/acinclude.m4
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+dnl This file is part of GNU mailutils.
+dnl Copyright (C) 2001 Free Software Foundation, Inc.
+dnl
+dnl This file is free software; as a special exception the author gives
+dnl unlimited permission to copy and/or distribute it, with or without
+dnl modifications, as long as this notice is preserved.
+dnl
+dnl This program is distributed in the hope that it will be useful, but
+dnl WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
+dnl implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+dnl
+dnl Check for --enable-debug switch. When the switch is specified, add
+dnl -ggdb to CFLAGS and remove any optimization options from there.
+dnl
+
+AC_DEFUN([MU_DEBUG_MODE],
+ [AC_ARG_ENABLE(debug,
+ [ --enable-debug enable debugging mode],
+ [if test x"$enableval" = xyes; then
+ if test x"$GCC" = xyes; then
+ AC_MSG_CHECKING(whether gcc accepts -ggdb)
+ save_CFLAGS=$CFLAGS
+ CFLAGS="-ggdb -Wall"
+ AC_TRY_COMPILE([],void f(){},
+ AC_MSG_RESULT(yes),
+ [if test x"$ac_cv_prog_cc_g" = xyes; then
+ CFLAGS="-g -Wall"
+ else
+ CFLAGS=
+ fi
+ AC_MSG_RESULT(no)])
+ CFLAGS="`echo $save_CFLAGS | sed 's/-O[[0-9]]//g'` $CFLAGS"
+ fi
+ fi])])

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