OPTION_DEFAULT_ON([gconf],[don't compile with GConf support])
OPTION_DEFAULT_ON([gsettings],[don't compile with GSettings support])
OPTION_DEFAULT_ON([selinux],[don't compile with SELinux support])
-OPTION_DEFAULT_ON([acl],[don't compile with ACL support])
OPTION_DEFAULT_ON([gnutls],[don't use -lgnutls for SSL/TLS support])
-OPTION_DEFAULT_ON([inotify],[don't compile with inotify (file-watch) support])
+
+AC_ARG_WITH([file-notification],[AS_HELP_STRING([--with-file-notification=LIB],
+ [use a file notification library (LIB one of: yes, gfile, inotify, w32, no)])],
+ [ case "${withval}" in
+ y | ye | yes ) val=yes ;;
+ n | no ) val=no ;;
+ g | gf | gfi | gfil | gfile ) val=gfile ;;
+ i | in | ino | inot | inoti | inotif | inotify ) val=inotify ;;
+ w | w3 | w32 ) val=w32 ;;
+ * ) AC_MSG_ERROR([`--with-file-notification=$withval' is invalid;
+this option's value should be `yes', `no', `gfile', `inotify' or `w32'.
+`yes' is a synonym for `w32' on MS-Windows, and for `gfile' otherwise.])
+ ;;
+ esac
+ with_file_notification=$val
+ ],
+ [with_file_notification=yes])
## For the times when you want to build Emacs but don't have
## a suitable makeinfo, and can live without the manuals.
i[3456]86-*-* )
case "${canonical}" in
*-darwin* ) opsys=darwin ;;
- *-mingw32 )
+ *-mingw32 )
opsys=mingw32
# MinGW overrides and adds some system headers in nt/inc.
GCC_TEST_OPTIONS="-I $srcdir/nt/inc"
dnl Amongst other things, this sets AR and ARFLAGS.
gl_EARLY
-# It's helpful to have C macros available to GDB, so prefer -g3 to -g
-# if -g3 works and the user does not specify CFLAGS.
-# This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
if test "$ac_test_CFLAGS" != set; then
+ # It's helpful to have C macros available to GDB, so prefer -g3 to -g
+ # if -g3 works and the user does not specify CFLAGS.
+ # This test must follow gl_EARLY; otherwise AC_LINK_IFELSE complains.
case $CFLAGS in
'-g')
emacs_g3_CFLAGS='-g3';;
[emacs_cv_prog_cc_g3],
[AC_LINK_IFELSE([AC_LANG_PROGRAM()],
[emacs_cv_prog_cc_g3=yes],
- [emacs_cv_prog_cc_g3=no])])
- if test $emacs_cv_prog_cc_g3 = yes; then
- CFLAGS=$emacs_g3_CFLAGS
- else
+ [emacs_cv_prog_cc_g3=no])])
+ if test $emacs_cv_prog_cc_g3 != yes; then
CFLAGS=$emacs_save_CFLAGS
fi
if test $opsys = mingw32; then
CFLAGS="$CFLAGS -gdwarf-2"
fi
fi
+
+ case $CFLAGS in
+ *-O*) ;;
+ *)
+ # No optimization flag was inferred for this non-GCC compiler.
+ # Try -O. This is needed for xlc on AIX; see Bug#14258.
+ emacs_save_CFLAGS=$CFLAGS
+ test -z "$CFLAGS" || CFLAGS="$CFLAGS "
+ CFLAGS=${CFLAGS}-O
+ AC_CACHE_CHECK([whether $CC accepts -O],
+ [emacs_cv_prog_cc_o],
+ [AC_LINK_IFELSE([AC_LANG_PROGRAM()],
+ [emacs_cv_prog_cc_o=yes],
+ [emacs_cv_prog_cc_o=no])])
+ if test $emacs_cv_prog_cc_o != yes; then
+ CFLAGS=$emacs_save_CFLAGS
+ fi ;;
+ esac
fi
AC_ARG_ENABLE([gcc-warnings],
esac
AC_SUBST([WERROR_CFLAGS])
- nw="$nw -Waggregate-return" # anachronistic
- nw="$nw -Wlong-long" # C90 is anachronistic
- nw="$nw -Wc++-compat" # We don't care about C++ compilers
- nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib
- nw="$nw -Wtraditional" # Warns on #elif which we use often
- nw="$nw -Wcast-qual" # Too many warnings for now
- nw="$nw -Wconversion" # Too many warnings for now
nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
- nw="$nw -Wsign-conversion" # Too many warnings for now
nw="$nw -Woverlength-strings" # Not a problem these days
- nw="$nw -Wtraditional-conversion" # Too many warnings for now
- nw="$nw -Wunreachable-code" # so buggy that it's now silently ignored
- nw="$nw -Wpadded" # Our structs are not padded
- nw="$nw -Wredundant-decls" # we regularly (re)declare functions
nw="$nw -Wlogical-op" # any use of fwrite provokes this
nw="$nw -Wformat-nonliteral" # we do this a lot
nw="$nw -Wvla" # warnings in gettext.h
nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__
- nw="$nw -Wswitch-enum" # Too many warnings for now
nw="$nw -Wswitch-default" # Too many warnings for now
- nw="$nw -Wfloat-equal" # warns about high-quality code
nw="$nw -Winline" # OK to ignore 'inline'
nw="$nw -Wjump-misses-init" # We sometimes safely jump over init.
nw="$nw -Wstrict-overflow" # OK to optimize assuming that
# The following line should be removable at some point.
nw="$nw -Wsuggest-attribute=pure"
+ # clang is unduly picky about some things.
+ AC_CACHE_CHECK([whether the compiler is clang], [emacs_cv_clang],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[
+ #ifndef __clang__
+ #error "not clang"
+ #endif
+ ]])],
+ [emacs_cv_clang=yes],
+ [emacs_cv_clang=no])])
+ if test $emacs_cv_clang = yes; then
+ nw="$nw -Wcast-align"
+ fi
+
gl_MANYWARN_ALL_GCC([ws])
gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw])
for w in $ws; do
# gcc 4.5.0 20090517.
gl_WARN_ADD([-Wno-logical-op])
+ # More things that clang is unduly picky about.
+ if test $emacs_cv_clang = yes; then
+ gl_WARN_ADD([-Wno-format-extra-args])
+ gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
+ gl_WARN_ADD([-Wno-unused-command-line-argument])
+ gl_WARN_ADD([-Wno-unused-value])
+ fi
+
gl_WARN_ADD([-fdiagnostics-show-option])
gl_WARN_ADD([-funit-at-a-time])
;;
openbsd)
- ## Han Boetes <han@mijncomputer.nl> says this is necessary,
+ ## Han Boetes <han@boetes.org> says this is necessary,
## otherwise Emacs dumps core on elf systems.
LD_SWITCH_SYSTEM="-Z"
;;
EMACS_MANIFEST=
if test "${with_w32}" != no; then
case "${opsys}" in
- cygwin)
+ cygwin)
AC_CHECK_HEADER([windows.h], [HAVE_W32=yes],
[AC_MSG_ERROR([`--with-w32' was specified, but windows.h
- cannot be found.])])
+ cannot be found.])])
;;
mingw32)
## Using --with-w32 with MinGW is a no-op, but we allow it.
;;
- *)
+ *)
AC_MSG_ERROR([Using w32 with an autotools build is only supported for Cygwin and MinGW32.])
;;
esac
[[void test(PIMAGE_NT_HEADERS pHeader)
{PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader);}]])],
[emacs_cv_w32api=yes
- HAVE_W32=yes],
+ HAVE_W32=yes],
emacs_cv_w32api=no)
AC_MSG_RESULT($emacs_cv_w32api)
if test "${emacs_cv_w32api}" = "no"; then
W32_RES_LINK="-Wl,emacs.res"
else
W32_OBJ="$W32_OBJ w32.o w32console.o w32heap.o w32inevt.o w32proc.o"
- W32_OBJ="$W32_OBJ w32notify.o"
W32_LIBS="$W32_LIBS -lwinmm -lgdi32 -lcomdlg32"
W32_LIBS="$W32_LIBS -lmpr -lwinspool -lole32 -lcomctl32 -lusp10"
W32_RES_LINK="\$(EMACSRES)"
USE_GTK_TOOLKIT="GTK3"
if test "x$ac_enable_gtk_deprecation_warnings" = x; then
GTK_CFLAGS="$GTK_CFLAGS -DGDK_DISABLE_DEPRECATION_WARNINGS"
+ GTK_CFLAGS="$GTK_CFLAGS -DGLIB_DISABLE_DEPRECATION_WARNINGS"
fi
else
check_gtk2=yes
AC_SUBST(LIBGNUTLS_LIBS)
AC_SUBST(LIBGNUTLS_CFLAGS)
+NOTIFY_OBJ=
+NOTIFY_SUMMARY=no
+
+dnl Set defaults of $with_file_notification.
+if test "${with_file_notification}" = "yes"; then
+ if test "${opsys}" = "mingw32"; then
+ with_file_notification=w32
+ else
+ with_file_notification=gfile
+ fi
+fi
+
+dnl g_file_monitor exists since glib 2.18. G_FILE_MONITOR_EVENT_MOVED
+dnl has been added in glib 2.24. It has been tested under
+dnl GNU/Linux only. We take precedence over inotify, but this makes
+dnl only sense when glib has been compiled with inotify support. How
+dnl to check?
+if test "${with_file_notification}" = "gfile"; then
+ PKG_CHECK_MODULES(GFILENOTIFY, gio-2.0 >= 2.24, HAVE_GFILENOTIFY=yes, HAVE_GFILENOTIFY=no)
+ if test "$HAVE_GFILENOTIFY" = "yes"; then
+ AC_DEFINE(HAVE_GFILENOTIFY, 1, [Define to 1 if using GFile.])
+ NOTIFY_OBJ=gfilenotify.o
+ NOTIFY_SUMMARY="yes -lgio (gfile)"
+ fi
+fi
dnl inotify is only available on GNU/Linux.
-if test "${with_inotify}" = "yes"; then
- AC_CHECK_HEADERS(sys/inotify.h)
+if test "${with_file_notification}" = "inotify"; then
+ AC_CHECK_HEADER(sys/inotify.h)
if test "$ac_cv_header_sys_inotify_h" = yes ; then
- AC_CHECK_FUNC(inotify_init1)
- fi
+ AC_CHECK_FUNC(inotify_init1)
+ if test "$ac_cv_func_inotify_init1" = yes; then
+ AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
+ NOTIFY_OBJ=inotify.o
+ NOTIFY_SUMMARY="yes -lglibc (inotify)"
+ fi
+ fi
fi
-if test "$ac_cv_func_inotify_init1" = yes; then
- AC_DEFINE(HAVE_INOTIFY, 1, [Define to 1 to use inotify.])
+dnl MS Windows native file monitor is available for mingw32 only.
+if test "${with_file_notification}" = "w32"; then
+ AC_CHECK_HEADER(windows.h)
+ if test "$ac_cv_header_windows_h" = yes ; then
+ AC_DEFINE(HAVE_W32NOTIFY, 1, [Define to 1 to use w32notify.])
+ NOTIFY_OBJ=w32notify.o
+ NOTIFY_SUMMARY="yes (w32)"
+ fi
fi
-
-dnl POSIX ACL support: provided by libacl on GNU/Linux, by libc on FreeBSD.
-HAVE_POSIX_ACL=no
-LIBACL_LIBS=
-if test "${with_acl}" = "yes"; then
- AC_CHECK_LIB([acl], [acl_set_file], HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
- if test "$HAVE_POSIX_ACL" = yes; then
- AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
- LIBACL_LIBS=-lacl
- else
- AC_CHECK_FUNC(acl_set_file, HAVE_POSIX_ACL=yes, HAVE_POSIX_ACL=no)
- if test "$HAVE_POSIX_ACL" = yes; then
- AC_DEFINE(HAVE_POSIX_ACL, 1, [Define to 1 if using POSIX ACL support.])
- fi
- fi
+if test -n "$NOTIFY_OBJ"; then
+ AC_DEFINE(USE_FILE_NOTIFY, 1, [Define to 1 if using file notifications.])
fi
-AC_SUBST(LIBACL_LIBS)
+AC_SUBST(NOTIFY_OBJ)
+AC_SUBST(GFILENOTIFY_CFLAGS)
+AC_SUBST(GFILENOTIFY_LIBS)
dnl Do not put whitespace before the #include statements below.
dnl Older compilers (eg sunos4 cc) choke on it.
fi
AC_SUBST(LIBXSM)
+### Use XRandr (-lXrandr) if available
+HAVE_XRANDR=no
+if test "${HAVE_X11}" = "yes"; then
+ XRANDR_REQUIRED=1.2.2
+ XRANDR_MODULES="xrandr >= $XRANDR_REQUIRED"
+ PKG_CHECK_MODULES(XRANDR, $XRANDR_MODULES, HAVE_XRANDR=yes, HAVE_XRANDR=no)
+ if test $HAVE_XRANDR = no; then
+ # Test old way in case pkg-config doesn't have it (older machines).
+ AC_CHECK_HEADER(X11/extensions/Xrandr.h,
+ [AC_CHECK_LIB(Xrandr, XRRGetScreenResources, HAVE_XRANDR=yes)])
+ if test $HAVE_XRANDR = yes; then
+ XRANDR_LIBS=-lXrandr
+ AC_SUBST(XRANDR_LIBS)
+ fi
+ fi
+ if test $HAVE_XRANDR = yes; then
+ SAVE_CFLAGS="$CFLAGS"
+ SAVE_LIBS="$LIBS"
+ CFLAGS="$XRANDR_CFLAGS $CFLAGS"
+ LIBS="$XRANDR_LIBS $LIBS"
+ AC_CHECK_FUNCS(XRRGetOutputPrimary XRRGetScreenResourcesCurrent)
+ CFLAGS="$SAVE_CFLAGS"
+ LIBS="$SAVE_LIBS"
+
+ AC_DEFINE(HAVE_XRANDR, 1, [Define to 1 if you have the XRandr extension.])
+ fi
+fi
+
+### Use Xinerama (-lXinerama) if available
+HAVE_XINERAMA=no
+if test "${HAVE_X11}" = "yes"; then
+ XINERAMA_REQUIRED=1.0.2
+ XINERAMA_MODULES="xinerama >= $XINERAMA_REQUIRED"
+ PKG_CHECK_MODULES(XINERAMA, $XINERAMA_MODULES, HAVE_XINERAMA=yes,
+ HAVE_XINERAMA=no)
+ if test $HAVE_XINERAMA = no; then
+ # Test old way in case pkg-config doesn't have it (older machines).
+ AC_CHECK_HEADER(X11/extensions/Xinerama.h,
+ [AC_CHECK_LIB(Xinerama, XineramaQueryExtension, HAVE_XINERAMA=yes)])
+ if test $HAVE_XINERAMA = yes; then
+ XINERAMA_LIBS=-lXinerama
+ AC_SUBST(XINERAMA_LIBS)
+ fi
+ fi
+ if test $HAVE_XINERAMA = yes; then
+ AC_DEFINE(HAVE_XINERAMA, 1, [Define to 1 if you have the Xinerama extension.])
+ fi
+fi
+
+
### Use libxml (-lxml2) if available
### mingw32 doesn't use -lxml2, since it loads the library dynamically.
HAVE_LIBXML2=no
AC_CHECK_FUNCS(snprintf)
+dnl Check this late. It depends on what other libraries (lrsvg, Gtk+ etc)
+dnl Emacs uses.
+XGSELOBJ=
+AC_MSG_CHECKING([whether GLib is linked in])
+AC_LINK_IFELSE([AC_LANG_PROGRAM(
+ [[#include <glib.h>
+ ]],
+ [[g_print ("Hello world");]])],
+ [links_glib=yes],
+ [links_glib=no])
+AC_MSG_RESULT([$links_glib])
+if test "${links_glib}" = "yes"; then
+ AC_DEFINE(HAVE_GLIB, 1, [Define to 1 if GLib is linked in.])
+ XGSELOBJ=xgselect.o
+fi
+AC_SUBST(XGSELOBJ)
+
dnl Adapted from Haible's version.
AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <langinfo.h>]],
AC_DEFINE(HAVE_X_WINDOWS, 1,
[Define to 1 if you want to use the X window system.])
XMENU_OBJ=xmenu.o
- XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o xgselect.o"
+ XOBJ="xterm.o xfns.o xselect.o xrdb.o xsmfns.o xsettings.o"
FONT_OBJ=xfont.o
if test "$HAVE_XFT" = "yes"; then
FONT_OBJ="$FONT_OBJ ftfont.o xftfont.o ftxfont.o"
## each); under Cocoa 31 commands are required.
if test "$HAVE_NS" = "yes"; then
libs_nsgui="-framework AppKit"
+ if test "$NS_IMPL_COCOA" = "yes"; then
+ libs_nsgui="$libs_nsgui -framework IOKit"
+ fi
headerpad_extra=6C8
else
libs_nsgui=
gnu*) LD_SWITCH_SYSTEM_TEMACS="\$(LD_SWITCH_X_SITE_RPATH)" ;;
mingw32)
+ ## MinGW64 does not prepend an underscore to symbols, so we must
+ ## pass a different -entry switch to linker. FIXME: It is better
+ ## to make the entry points the same by changing unexw32.c.
case "$canonical" in
x86_64-*-*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,_start -Wl,-Map,./temacs.map" ;;
*) LD_SWITCH_SYSTEM_TEMACS="-Wl,-stack,0x00800000 -Wl,-heap,0x00100000 -Wl,-image-base,0x01000000 -Wl,-entry,__start -Wl,-Map,./temacs.map" ;;
esac
;;
+ openbsd) LD_SWITCH_SYSTEM_TEMACS='-nopie' ;;
+
*) LD_SWITCH_SYSTEM_TEMACS= ;;
esac
echo " Does Emacs use -ldbus? ${HAVE_DBUS}"
echo " Does Emacs use -lgconf? ${HAVE_GCONF}"
echo " Does Emacs use GSettings? ${HAVE_GSETTINGS}"
+echo " Does Emacs use a file notification library? ${NOTIFY_SUMMARY}"
echo " Does Emacs use -lselinux? ${HAVE_LIBSELINUX}"
echo " Does Emacs use -lgnutls? ${HAVE_GNUTLS}"
echo " Does Emacs use -lxml2? ${HAVE_LIBXML2}"
HCoop / bpt / emacs.git / blobdiff