-# configure.in --- xscreensaver, Copyright (c) 1997-2005 Jamie Zawinski.
+# configure.in --- xscreensaver, Copyright (c) 1997-2014 Jamie Zawinski.
#
AC_PREREQ(2.52)
AC_INIT(driver/subprocs.c)
-AC_CONFIG_HEADER(config.h)
+AC_CONFIG_HEADERS([config.h])
echo "current directory: `pwd`"
echo "command line was: $0 $@"
###############################################################################
AH_TOP([
-/* config.h.in --- xscreensaver, Copyright (c) 1998-2000 Jamie Zawinski.
+/* config.h.in --- xscreensaver, Copyright (c) 1991-2014 Jamie Zawinski.
*
* The best way to set these parameters is by running the included `configure'
* script. That examines your system, and generates `config.h' from
AH_TEMPLATE([XPointer],
[Define this to void* if you're using X11R4 or earlier.])
+AH_TEMPLATE([HAVE_PTHREAD],
+ [Define this if your system supports POSIX threads.])
+
# After checking to see that --srcdir is correct (which AC_INIT does)
# check for some random other files that come later in the tar file,
# to make sure everything is here.
fi
done
+###############################################################################
+#
+# Query AX_PTHREAD, and figure out which compiler gets used.
+#
+###############################################################################
+
+AC_DEFUN([AC_PROG_CC_PTHREAD],
+ [have_pthread=no
+ with_pthread_req=unspecified
+
+ # AX_PTHREAD is from the GNU Autoconf Archive.
+ # https://savannah.gnu.org/projects/autoconf-archive/
+ m4_include(ax_pthread.m4)
+
+ # This affects CC, LIBS, and CFLAGS, instead of defining new variables.
+
+ AC_ARG_WITH([pthread],
+ [ --with-pthread Enables POSIX threads, for SMP support.],
+ [with_pthread="$withval"; with_pthread_req="$withval"],
+ [with_pthread=yes])
+
+ if test "$with_pthread" = yes; then
+ # AX_PTHREAD might want a different compiler.
+ AX_PTHREAD(
+ [if test "$CC" = "$PTHREAD_CC" -o -z "$ac_original_cc"; then
+ have_pthread=yes
+ else
+ ac_prog_cc_no_pthread=yes
+ fi
+ ])
+
+ if test "$have_pthread" = yes; then
+ AC_DEFINE([HAVE_PTHREAD])
+ CC=$PTHREAD_CC
+ fi
+ fi
+])
+
+
###############################################################################
#
# Function to figure out how to run the compiler.
#
###############################################################################
-AC_DEFUN(AC_PROG_CC_ANSI,
- [AC_PROG_CC
+AC_DEFUN([AC_PROG_CC_ANSI],
+ [AC_REQUIRE([AC_PROG_CC])
if test -z "$GCC"; then
# not using GCC
#
###############################################################################
-AC_DEFUN(AC_CHECK_GCC_ARG,
+AC_DEFUN([AC_CHECK_GCC_ARG],
[if test -n "$GCC"; then
AC_CACHE_CHECK([whether gcc accepts [$2]],
ac_cv_gcc_accepts_[$1],
fi
])
-AC_DEFUN(AC_NO_LONG_STRING_WARNINGS,
+AC_DEFUN([AC_NO_LONG_STRING_WARNINGS],
[AC_CHECK_GCC_ARG(no_overlength, -Wno-overlength-strings)])
-AC_DEFUN(AC_NO_MISPLACED_DECLARATIONS,
+AC_DEFUN([AC_NO_MISPLACED_DECLARATIONS],
[AC_CHECK_GCC_ARG(no_decl_after, -Wdeclaration-after-statement)])
# Need to disable Objective C extensions in ANSI C on MacOS X to work
# around an Apple-specific gcc bug.
#
-AC_DEFUN(AC_NO_OBJECTIVE_C,
+AC_DEFUN([AC_NO_OBJECTIVE_C],
[AC_CHECK_GCC_ARG(no_cpp_precomp, -no-cpp-precomp)])
###############################################################################
#
###############################################################################
-AC_DEFUN(AC_GCC_ACCEPTS_STD, [
+AC_DEFUN([AC_GCC_ACCEPTS_STD], [
case "$host" in
*-darwin* )
# Fucking Apple let // comments sneak into OpenGL headers, so
esac
])
-AC_DEFUN(AC_NO_CPLUSPLUS_COMMENTS_IN_C_CODE,
+AC_DEFUN([AC_NO_CPLUSPLUS_COMMENTS_IN_C_CODE],
[if test -n "$GCC"; then
AC_GCC_ACCEPTS_STD
AC_MSG_RESULT(Disabling C++ comments in ANSI C code.)
#
###############################################################################
-AC_DEFUN(AC_PROG_INSTALL_DIRS,
+AC_DEFUN([AC_PROG_INSTALL_DIRS],
[AC_CACHE_CHECK([whether "\${INSTALL} -d" creates intermediate directories],
ac_cv_install_d_creates_dirs,
[ac_cv_install_d_creates_dirs=no
#
###############################################################################
-AC_DEFUN(AC_GETTIMEOFDAY_ARGS,
+AC_DEFUN([AC_GETTIMEOFDAY_ARGS],
[AC_MSG_CHECKING(how to call gettimeofday)
AC_CACHE_VAL(ac_cv_gettimeofday_args,
[AC_TRY_COMPILE([#include <stdlib.h>
perl_version_cmd='print $]'
changequote([,])
-AC_DEFUN(AC_PROG_PERL,
+AC_DEFUN([AC_PROG_PERL],
[AC_PATH_PROGS(PERL, [perl5 perl],,)
if test -z "$PERL" ; then
PERL_VERSION=0
#
###############################################################################
-AC_DEFUN(AC_DEMAND_BC,
+AC_DEFUN([AC_DEMAND_BC],
[ac_bc_result=`echo 6+9 | bc 2>/dev/null`
AC_MSG_CHECKING([for bc])
if test "$ac_bc_result" = "15" ; then
#
###############################################################################
-AC_DEFUN(AC_CHECK_ICMP,
+AC_DEFUN([AC_CHECK_ICMP],
[AC_CACHE_CHECK([for struct icmp], ac_cv_have_icmp,
[AC_TRY_COMPILE([#include <stdlib.h>
#include <stdio.h>
AC_DEFINE(HAVE_ICMP)
fi])
-AC_DEFUN(AC_CHECK_ICMPHDR,
+AC_DEFUN([AC_CHECK_ICMPHDR],
[AC_CACHE_CHECK([for struct icmphdr], ac_cv_have_icmphdr,
[AC_TRY_COMPILE([#include <stdlib.h>
#include <stdio.h>
# Try and find the app-defaults directory.
# It sucks that autoconf doesn't do this already...
#
-AC_DEFUN(AC_PATH_X_APP_DEFAULTS_XMKMF,[
+AC_DEFUN([AC_PATH_X_APP_DEFAULTS_XMKMF],[
rm -fr conftestdir
if mkdir conftestdir; then
cd conftestdir 2>/dev/null
[eval ac_x_app_defaults="$withval"])
-AC_DEFUN(AC_PATH_X_APP_DEFAULTS_DIRECT,[
+AC_DEFUN([AC_PATH_X_APP_DEFAULTS_DIRECT],[
# Look for the directory under a standard set of common directories.
# Check X11 before X11Rn because it's often a symlink to the current release.
for ac_dir in \
done
])
-AC_DEFUN(AC_PATH_X_APP_DEFAULTS,
+AC_DEFUN([AC_PATH_X_APP_DEFAULTS],
[AC_REQUIRE_CPP()
AC_CACHE_CHECK([for X app-defaults directory], ac_cv_x_app_defaults,
[AC_PATH_X_APP_DEFAULTS_XMKMF
eval ac_x_app_defaults="$ac_cv_x_app_defaults"])
-AC_DEFUN(AC_XPOINTER,
+AC_DEFUN([AC_XPOINTER],
[AC_CACHE_CHECK([for XPointer], ac_cv_xpointer,
[AC_TRY_X_COMPILE([#include <X11/Xlib.h>],
[XPointer foo = (XPointer) 0;],
# Random special-cases for X on certain pathological OSes.
# You know who you are.
#
-AC_DEFUN(AC_X_RANDOM_PATHS,
+AC_DEFUN([AC_X_RANDOM_PATHS],
[case "$host" in
*-hpux*)
;;
esac])
-AC_DEFUN(AC_CHECK_GETIFADDRS,
+AC_DEFUN([AC_CHECK_GETIFADDRS],
[AC_CACHE_CHECK([for getifaddrs], ac_cv_have_getifaddrs,
[AC_TRY_COMPILE([#include <stdlib.h>
#include <unistd.h>
# Like AC_CHECK_HEADER, but it uses the already-computed -I directories.
#
-AC_DEFUN(AC_CHECK_X_HEADER, [
+AC_DEFUN([AC_CHECK_X_HEADER], [
ac_save_CPPFLAGS="$CPPFLAGS"
if test \! -z "$includedir" ; then
CPPFLAGS="$CPPFLAGS -I$includedir"
# Like AC_EGREP_HEADER, but it uses the already-computed -I directories.
#
-AC_DEFUN(AC_EGREP_X_HEADER, [
+AC_DEFUN([AC_EGREP_X_HEADER], [
ac_save_CPPFLAGS="$CPPFLAGS"
if test \! -z "$includedir" ; then
CPPFLAGS="$CPPFLAGS -I$includedir"
# Like AC_TRY_COMPILE, but it uses the already-computed -I directories.
#
-AC_DEFUN(AC_TRY_X_COMPILE, [
+AC_DEFUN([AC_TRY_X_COMPILE], [
ac_save_CPPFLAGS="$CPPFLAGS"
if test \! -z "$includedir" ; then
CPPFLAGS="$CPPFLAGS -I$includedir"
# Like AC_CHECK_LIB, but it uses the already-computed -I and -L directories.
# Use this sparingly; it probably doesn't work very well on X programs.
#
-AC_DEFUN(AC_CHECK_X_LIB, [
+AC_DEFUN([AC_CHECK_X_LIB], [
ac_save_CPPFLAGS="$CPPFLAGS"
ac_save_LDFLAGS="$LDFLAGS"
# ac_save_LIBS="$LIBS"
# Like AC_TRY_RUN, but it uses the already-computed -I directories.
# (But not the -L directories!)
#
-AC_DEFUN(AC_TRY_X_RUN, [
+AC_DEFUN([AC_TRY_X_RUN], [
ac_save_CPPFLAGS="$CPPFLAGS"
if test \! -z "$includedir" ; then
CPPFLAGS="$CPPFLAGS -I$includedir"
# /DIR/include and /DIR/lib exist, and adds them to $X_CFLAGS and $X_LIBS
# as appropriate.
#
-AC_DEFUN(HANDLE_X_PATH_ARG, [
+AC_DEFUN([HANDLE_X_PATH_ARG], [
case "$[$1]" in
yes) ;;
no) ;;
# random compiler setup
AC_CANONICAL_HOST
+
+ac_original_cc=$CC
+AC_PROG_CC
+AC_PROG_CC_PTHREAD # Needs ac_original_cc.
+
AC_PROG_CC_ANSI
AC_NO_LONG_STRING_WARNINGS
AC_NO_MISPLACED_DECLARATIONS
#
###############################################################################
-AC_PROG_INTLTOOL
+IT_PROG_INTLTOOL
GETTEXT_PACKAGE=xscreensaver
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE",
[This is the name of the gettext package to use.])
# So if the Mesa headers exist, and -lpthread exists, then always
# link -lpthread after the Mesa libs (be they named -lGL or -lMesaGL.)
#
+ # Oftentimes, AX_PTHREAD will bring in -lpthread as well; but that ends
+ # up before -l(Mesa)GL, instead of after where it would belong.
+ #
if test "$ac_have_mesa_gl" = yes; then
AC_CHECK_LIB(pthread, pthread_create, [GL_LIBS="-lpthread"], [],)
fi
}
+# ac_prog_cc_no_pthread normally only happens on AIX, because according
+# to AX_PTHREAD, AIX needs CC=xlc_r or CC=cc_r to do threads.
+# If CC is specified, it takes precedence over --with-pthread.
+if test "$ac_prog_cc_no_pthread" ; then
+ warnL "You requested $ac_original_cc for the C compiler, but it doesn't"
+ warn2 "support POSIX threads."
+ echo ""
+ warn2 "If you have multiple CPU cores, try CC=$PTHREAD_CC."
+elif test "$with_pthread_req" = yes -a "$have_pthread" = no ; then
+ warn 'POSIX threads were requested, but were not found.'
+fi
+
if test "$with_sgi_req" = yes -a "$have_sgi" = no ; then
warn 'The SGI saver extension was requested, but was not found.'
fi
echo ''
warn2 'Those demos which use 3D will not be built or installed.'
warn2 'You might want to consider installing OpenGL and'
- warn2 "re-running configure. If your vendor doesn't ship"
- warn2 'their own implementation of OpenGL, you can get a free'
- warn2 'version at <http://www.mesa3d.org/>. For general OpenGL'
- warn2 'info, see <http://www.opengl.org/>.'
+ warn2 're-running configure.'
fi
warn2 'library is not.'
else
noteL 'The OpenGL Library was found, but the GLE (GL Extrusion)'
- warn2 'was not.'
+ warn2 'library was not.'
fi
if test "$gle_halfassed" = yes ; then
warn2 'Some of the OpenGL (3D) demos (those that depend on GLE)'
warn2 'will not be built or installed. You might want to consider'
warn2 'installing GLE and re-running configure. You can find the'
- warn2 'GLE library at <http://www.linas.org/gle/>. For general'
- warn2 'OpenGL info, see <http://www.opengl.org/>.'
+ warn2 'GLE library at <http://www.linas.org/gle/>'
fi
fi
echo ' "xscreensaver-demo", and "xscreensaver-command" executables'
echo " will be installed in ${bindir}/."
echo ""
- echo " The various graphics demos (190+ different executables) will"
+ echo " The various graphics demos (200+ different executables) will"
echo " be installed in ${HACKDIR}/."
echo ""
echo " If you would prefer the demos to be installed elsewhere,"
projects / xscreensaver / blobdiff