])
+#
+# AC_WIRESHARK_STRUCT_ST_FLAGS
+#
+dnl AC_STRUCT_ST_BLKSIZE extracted from the file in question,
+dnl "acspecific.m4" in GNU Autoconf 2.12, and turned into
+dnl AC_WIRESHARK_STRUCT_ST_FLAGS, which checks if "struct stat"
+dnl has the 4.4BSD "st_flags" member, and defines HAVE_ST_FLAGS; that's
+dnl what's in this file.
+dnl Done by Guy Harris <guy@alum.mit.edu> on 2012-06-02.
+
+dnl ### Checks for structure members
+
+AC_DEFUN([AC_WIRESHARK_STRUCT_ST_FLAGS],
+[AC_CACHE_CHECK([for st_flags in struct stat], ac_cv_wireshark_struct_st_flags,
+[AC_TRY_COMPILE([#include <sys/stat.h>], [struct stat s; s.st_flags;],
+ac_cv_wireshark_struct_st_flags=yes, ac_cv_wireshark_struct_st_flags=no)])
+if test $ac_cv_wireshark_struct_st_flags = yes; then
+ AC_DEFINE(HAVE_ST_FLAGS, 1, [Define if st_flags field exists in struct stat])
+fi
+])
+
+
#
# AC_WIRESHARK_STRUCT_SA_LEN
#
# AC_WIRESHARK_LIBLUA_CHECK
#
AC_DEFUN([AC_WIRESHARK_LIBLUA_CHECK],[
-
+ lua_ver=5.2
if test "x$lua_dir" != "x"
then
#
LIBS="$LIBS -L$lua_dir/lib -llua -lm"
wireshark_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS -L$lua_dir/lib"
+
+ #
+ # Determine Lua version by reading the LUA_VERSION_NUM definition
+ # from lua.h under the given Lua directory. The value is 501 for
+ # Lua 5.1, 502 for Lua 5.2, etc.
+ #
+ AC_MSG_CHECKING(Lua version)
+ [[ -d "$lua_dir/include" ]] && grep -rq 'LUA_VERSION_NUM.*501' "$lua_dir/include" && lua_ver=5.1
+ AC_MSG_RESULT(Lua ${lua_ver})
else
#
# The user specified no directory in which liblua resides,
- # so just add "-llua -lliblua" to the used libs.
+ # we try to find out the lua version by looking at pathnames
+ # and we just add "-llua -lliblua" to the used libs.
#
+ AC_MSG_CHECKING(Lua version)
+ for i in 5.0 5.1 5.2
+ do
+ [[ -d "/usr/include/lua$i" ]] && lua_ver=$i
+ done
+ AC_MSG_RESULT(Lua ${lua_ver})
wireshark_save_CPPFLAGS="$CPPFLAGS"
wireshark_save_LDFLAGS="$LDFLAGS"
wireshark_save_LIBS="$LIBS"
#
AC_CHECK_HEADERS(lua.h lualib.h lauxlib.h,,
[
- AC_CHECK_HEADERS(lua5.1/lua.h lua5.1/lualib.h lua5.1/lauxlib.h,
+ AC_CHECK_HEADERS(lua${lua_ver}/lua.h lua${lua_ver}/lualib.h lua${lua_ver}/lauxlib.h,
[
if test "x$lua_dir" != "x"
then
- LUA_INCLUDES="-I$lua_dir/include/lua5.1"
+ LUA_INCLUDES="-I$lua_dir/include/lua${lua_ver}"
else
#
# The user didn't specify a directory in which liblua resides;
- # we must look for the headers in a "lua5.1" subdirectory of
+ # we must look for the headers in a "lua${lua_ver}" subdirectory of
# "/usr/include", "/usr/local/include", or "$prefix/include"
- # as some systems apparently put the headers in a "lua5.1"
+ # as some systems apparently put the headers in a "lua${lua_ver}"
# subdirectory.
AC_MSG_CHECKING(for extraneous lua header directories)
found_lua_dir=""
- lua_dir_list="/usr/include/lua5.1 $prefix/include/lua5.1"
+ lua_dir_list="/usr/include/lua${lua_ver} $prefix/include/lua${lua_ver}"
if test "x$ac_cv_enable_usr_local" = "xyes"
then
- lua_dir_list="$lua_dir_list /usr/local/include/lua5.1"
+ lua_dir_list="$lua_dir_list /usr/local/include/lua${lua_ver}"
fi
for lua_dir_ent in $lua_dir_list
do
LUA_LIBS=""
if test "x$want_lua" = "xyes"
then
- # we found lua5.1/lua.h, but we don't know which include dir contains it
- AC_MSG_ERROR(Header file lua.h was found as lua5.1/lua.h but we can't locate the include directory. Please set the DIR for the --with-lua configure parameter.)
+ # we found lua${lua_ver}/lua.h, but we don't know which include dir contains it
+ AC_MSG_ERROR(Header file lua.h was found as lua${lua_ver}/lua.h but we can't locate the include directory. Please set the DIR for the --with-lua configure parameter.)
else
#
# We couldn't find the header file; don't use the
#
want_lua=no
fi
- fi
+ fi
fi
],
[
# against libm.
LIBS="$LIBS $LUA_LIBS -lm"
- AC_CHECK_LIB(lua, luaL_register,
+ AC_CHECK_LIB(lua, luaL_openlibs,
[
#
- # Lua 5.1 found
+ # Lua found
#
if test "x$lua_dir" != "x"
then
LUA_LIBS="-llua -lm"
LUA_INCLUDES=""
fi
- AC_DEFINE(HAVE_LUA_5_1, 1, [Define to use Lua 5.1])
+ AC_DEFINE(HAVE_LUA, 1, [Define to use Lua ${lua_ver}])
want_lua=yes
],[
# We could not find the libs, maybe we have version number in the lib name
#
- LIBS="$wireshark_save_LIBS -llua5.1 -lm"
+ LIBS="$wireshark_save_LIBS -llua${lua_ver} -lm"
- AC_CHECK_LIB(lua5.1, luaL_register,
+ AC_CHECK_LIB(lua${lua_ver}, luaL_openlibs,
[
#
- # Lua 5.1 found
+ # Lua found
#
- LUA_LIBS=" -llua5.1 -lm"
- AC_DEFINE(HAVE_LUA_5_1, 1, [Define to use Lua 5.1])
+ LUA_LIBS=" -llua${lua_ver} -lm"
+ AC_DEFINE(HAVE_LUA, 1, [Define to use Lua ${lua_ver}])
want_lua=yes
],[
#
#
# $1 : cflags to test
# $2 : if supplied, C for C-only flags, CXX for C++-only flags
+# $3 : if supplied, a program to try to compile with the flag
+# and, if the compile fails when -Werror is turned on,
+# we don't add the flag - used for warning flags that
+# issue incorrect or non-useful warnings with some
+# compiler versions
+# $4 : must be supplied if $3 is supplied - a message describing
+# for what the test program is testing
#
# The macro first determines if the compiler supports GCC-style flags.
# Then it attempts to compile with the defined cflags. The defined
[
AC_MSG_RESULT(yes)
#
- # Remove -Werror=unknown-warning-option, if we
- # added it, by setting CFLAGS to the saved value
- # plus just the new option.
- #
- CFLAGS="$CFLAGS_saved $GCC_OPTION"
- if test "$2" != C ; then
+ # OK, do we have a test program? If so, check
+ # whether it fails with this option and -Werror,
+ # and, if so, don't include it.
+ #
+ # We test arg 4 here because arg 3 is a program which
+ # could contain quotes (breaking the comparison).
+ #
+ if test "x$4" != "x" ; then
+ CFLAGS="$CFLAGS -Werror"
+ AC_MSG_CHECKING(whether $GCC_OPTION $4)
+ AC_COMPILE_IFELSE([
+ AC_LANG_SOURCE($3)],
+ [
+ AC_MSG_RESULT(no)
+ #
+ # Remove -Werror=unknown-warning-option, if we
+ # added it, and -Werror by setting CFLAGS to
+ # the saved value plus just the new option.
+ #
+ CFLAGS="$CFLAGS_saved $GCC_OPTION"
+ #
+ # Add it to the flags we use when building
+ # build tools.
+ #
+ CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
+ if test "$2" != C ; then
+ #
+ # Add it to the C++ flags as well.
+ #
+ CXXFLAGS="$CXXFLAGS $GCC_OPTION"
+ fi
+ ],
+ [
+ AC_MSG_RESULT(yes)
+ CFLAGS="$CFLAGS_saved"
+ ])
+ else
+ #
+ # Remove -Werror=unknown-warning-option, if we
+ # added it, and -Werror by setting CFLAGS to
+ # the saved value plus just the new option.
#
- # Add it to the C++ flags as well.
+ CFLAGS="$CFLAGS_saved $GCC_OPTION"
#
- CXXFLAGS="$CXXFLAGS $GCC_OPTION"
+ # Add it to the flags we use when building
+ # build tools.
+ #
+ CFLAGS_FOR_BUILD="$CFLAGS_FOR_BUILD $GCC_OPTION"
+ if test "$2" != C ; then
+ #
+ # Add it to the C++ flags as well.
+ #
+ CXXFLAGS="$CXXFLAGS $GCC_OPTION"
+ fi
fi
],
[
]])],
[
AC_MSG_RESULT(yes)
+ #
+ # OK, do we have a test program? If so, check
+ # whether it fails with this option and -Werror,
+ # and, if so, don't include it.
+ #
+ # We test arg 4 here because arg 3 is a program which
+ # could contain quotes (breaking the comparison).
+ #
+ if test "x$4" != "x" ; then
+ CXXFLAGS="$CXXFLAGS -Werror"
+ AC_MSG_CHECKING(whether $GCC_OPTION $4)
+ AC_COMPILE_IFELSE([
+ AC_LANG_SOURCE($3)],
+ [
+ AC_MSG_RESULT(no)
+ #
+ # Remove -Werror=unknown-warning-option, if we
+ # added it, and -Werror by setting CXXFLAGS to
+ # the saved value plus just the new option.
+ #
+ CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
+ ],
+ [
+ AC_MSG_RESULT(yes)
+ CXXFLAGS="$CXXFLAGS_saved"
+ ])
+ else
+ #
+ # Remove -Werror=unknown-warning-option, if we
+ # added it, and -Werror by setting CXXFLAGS to
+ # the saved value plus just the new option.
+ #
+ CXXFLAGS="$CXXFLAGS_saved $GCC_OPTION"
+ fi
],
[
AC_MSG_RESULT(no)
fi
])
+# AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK
+#
+# Checks if '-D_FORTIFY_SOURCE=...' is OK to use in CPPFLAGS.
+# Use '-D_FORTIFY_SOURCE=...' in CPPFLAGS only if the GCC 'optimization level' is > 0.
+# The use of '-D_FORTIFY_SOURCE=...' will cause a warning with at least some versions
+# of glibc if the GCC "optimization level" is 0 (default or -O or -O0)
+# when using GCC to compile a source file which references the macro definition.
+#
+# See: http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html
+# See: http://sourceware.org/bugzilla/show_bug.cgi?id=13979
+#
+# We'll use '-D_FORTIFY_SOURCE=2' only if there's no warning; Among other things this means
+# that the use of '-D_FORTIFY_SOURCE=2' with '-Werror' and '-O0' won't cause
+# the compiler to stop on error.
+# Assumption: CFLAGS already contains whatever optimization option including none) is
+# to be used.
+#
+
+AC_DEFUN([AC_WIRESHARK_GCC_FORTIFY_SOURCE_CHECK],
+[
+if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
+ AC_MSG_CHECKING([whether -D_FORTIFY_SOURCE=... can be used (without generating a warning)])
+ CFLAGS_saved="$CFLAGS"
+ CPPFLAGS_saved="$CPPFLAGS"
+ CFLAGS="$CFLAGS -Werror"
+ CPPFLAGS="$CPPFLAGS -D_FORTIFY_SOURCE=2"
+ AC_COMPILE_IFELSE([
+ AC_LANG_SOURCE([[
+ #include <stdio.h>
+ int foo;
+ ]])],
+ [
+ AC_MSG_RESULT(yes)
+ #
+ # (CPPFLAGS contains _D_FORTIFY_SOURCE=2)
+ #
+ ],
+ [
+ AC_MSG_RESULT(no)
+ # Remove -D_FORTIFY_SOURCE=2
+ CPPFLAGS="$CPPFLAGS_saved"
+ ])
+ CFLAGS="$CFLAGS_saved"
+fi
+])
+
#
# AC_WIRESHARK_OSX_INTEGRATION_CHECK
#
# Checks for the presence of OS X integration functions in the GTK+ framework
# or as a separate library.
#
-# http://sourceforge.net/apps/trac/gtk-osx/wiki/Integrate
+# GTK+ for MAC OS X now lives on www.gtk.org at:
+#
+# http://www.gtk.org/download/macos.php
+#
+# Details on building with GTK-OSX are available at:
+#
+# http://live.gnome.org/GTK%2B/OSX/Building
+#
+# The GTK-OSX library has been renamed to gtkmacintegration.
+# It was previously named igemacintegration.
#
# http://live.gnome.org/GTK%2B/OSX/Integration
# for the old Carbon-based integration functions
#
-# http://gtk-osx.sourceforge.net/ige-mac-integration/
-# for the new Cocoa-based integration functions
-#
AC_DEFUN([AC_WIRESHARK_OSX_INTEGRATION_CHECK],
[
ac_save_CFLAGS="$CFLAGS"
LIBS="$GTK_LIBS $LIBS"
#
- # Check for the new integration functions in a -ligemacintegration
+ # Check for the new integration functions in a -lgtkmacintegration
# library.
#
- AC_CHECK_LIB(igemacintegration, gtk_osxapplication_set_menu_bar,
+ AC_CHECK_LIB(gtkmacintegration, gtkosx_application_set_menu_bar,
[
AC_DEFINE(HAVE_GTKOSXAPPLICATION, 1,
- [Define to 1 if -ligemacintegration includes the GtkOSXApplication Integration functions.])
+ [Define to 1 if -lgtkmacintegration includes the GtkOSXApplication Integration functions.])
have_ige_mac=yes
# We don't want gtk stuff in LIBS (which is reset below) so
# manually set GTK_LIBS (which is more appropriate)
- GTK_LIBS="$GTK_LIBS -ligemacintegration"
+ GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
])
if test x$have_ige_mac = x
# Not found - check for the old integration functions in
# the Gtk framework.
#
- AC_CHECK_LIB(Gtk, ige_mac_menu_set_menu_bar,
+ AC_CHECK_LIB(Gtk, gtk_mac_menu_set_menu_bar,
[
AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
[Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
then
#
# Not found - check for the old integration functions in
- # a -ligemacintegration library.
+ # a -lgtkmacintegration library.
#
- AC_CHECK_LIB(igemacintegration, ige_mac_menu_set_menu_bar,
+ AC_CHECK_LIB(gtkmacintegration, gtk_mac_menu_set_menu_bar,
[
AC_DEFINE(HAVE_IGE_MAC_INTEGRATION, 1,
[Define to 1 if the the Gtk+ framework or a separate library includes the Imendio IGE Mac OS X Integration functions.])
have_ige_mac=yes
# We don't want gtk stuff in LIBS (which is reset below) so
# manually set GTK_LIBS (which is more appropriate)
- GTK_LIBS="$GTK_LIBS -ligemacintegration"
+ GTK_LIBS="$GTK_LIBS -lgtkmacintegration"
])
fi
CFLAGS="$ac_save_CFLAGS"