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 $@"
AH_TEMPLATE([XPointer],
[Define this to void* if you're using X11R4 or earlier.])
+AH_TEMPLATE([HAVE_PTHREAD],
+ [Define this if your system supports POSIX threads.])
+
# After checking to see that --srcdir is correct (which AC_INIT does)
# check for some random other files that come later in the tar file,
# to make sure everything is here.
fi
done
+###############################################################################
+#
+# Query AX_PTHREAD, and figure out which compiler gets used.
+#
+###############################################################################
+
+AC_DEFUN([AC_PROG_CC_PTHREAD],
+ [have_pthread=no
+ with_pthread_req=unspecified
+
+ # AX_PTHREAD is from the GNU Autoconf Archive.
+ # https://savannah.gnu.org/projects/autoconf-archive/
+ m4_include(ax_pthread.m4)
+
+ # This affects CC, LIBS, and CFLAGS, instead of defining new variables.
+
+ AC_ARG_WITH([pthread],
+ [ --with-pthread Enables POSIX threads, for SMP support.],
+ [with_pthread="$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=$PTHREAD_CC
+
+ # AX_PTHREAD documentation specifically suggests this...
+ LIBS="$PTHREAD_LIBS $LIBS"
+ CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
+ fi
+ fi
+])
+
+
###############################################################################
#
# Function to figure out how to run the compiler.
#
###############################################################################
-AC_DEFUN(AC_PROG_CC_ANSI,
+AC_DEFUN([AC_PROG_CC_ANSI],
[AC_REQUIRE([AC_PROG_CC])
if test -z "$GCC"; then
#
###############################################################################
-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
projects / xscreensaver / blobdiff