diff --git a/acinclude.m4 b/acinclude.m4 deleted file mode 100644 index d236a6bc..00000000 --- a/acinclude.m4 +++ /dev/null @@ -1,669 +0,0 @@ -dnl --------------------------------------------------------------------------- -dnl Message output -dnl --------------------------------------------------------------------------- -AC_DEFUN([LOC_MSG],[echo "$1"]) - -dnl --------------------------------------------------------------------------- -dnl Available from the GNU Autoconf Macro Archive at: -dnl http://www.gnu.org/software/ac-archive/vl_prog_cc_warnings.html -dnl --------------------------------------------------------------------------- - -dnl @synopsis VL_PROG_CC_WARNINGS([ANSI]) -dnl -dnl Enables a reasonable set of warnings for the C compiler. -dnl Optionally, if the first argument is nonempty, turns on flags which -dnl enforce and/or enable proper ANSI C if such are known with the -dnl compiler used. -dnl -dnl Currently this macro knows about GCC, Solaris C compiler, Digital -dnl Unix C compiler, C for AIX Compiler, HP-UX C compiler, IRIX C -dnl compiler, NEC SX-5 (Super-UX 10) C compiler, and Cray J90 (Unicos -dnl 10.0.0.8) C compiler. -dnl -dnl @category C -dnl @author Ville Laurikari -dnl @version 2002-04-04 -dnl @license AllPermissive - -AC_DEFUN([VL_PROG_CC_WARNINGS], [ - ansi=$1 - if test -z "$ansi"; then - msg="for C compiler warning flags" - else - msg="for C compiler warning and ANSI conformance flags" - fi - AC_CACHE_CHECK($msg, vl_cv_prog_cc_warnings, [ - if test -n "$CC"; then - cat > conftest.c <&1 | grep -i "WorkShop" > /dev/null 2>&1 && - $CC -c -v -Xc conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-v" - else - vl_cv_prog_cc_warnings="-v -Xc" - fi - - dnl Digital Unix C compiler - elif $CC -V 2>&1 | grep -i "Digital UNIX Compiler" > /dev/null 2>&1 && - $CC -c -verbose -w0 -warnprotos -std1 conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-verbose -w0 -warnprotos" - else - vl_cv_prog_cc_warnings="-verbose -w0 -warnprotos -std1" - fi - - dnl C for AIX Compiler - elif $CC 2>&1 | grep -i "C for AIX Compiler" > /dev/null 2>&1 && - $CC -c -qlanglvl=ansi -qinfo=all conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd" - else - vl_cv_prog_cc_warnings="-qsrcmsg -qinfo=all:noppt:noppc:noobs:nocnd -qlanglvl=ansi" - fi - - dnl IRIX C compiler - elif $CC -version 2>&1 | grep -i "MIPSpro Compilers" > /dev/null 2>&1 && - $CC -c -fullwarn -ansi -ansiE conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-fullwarn" - else - vl_cv_prog_cc_warnings="-fullwarn -ansi -ansiE" - fi - - dnl HP-UX C compiler - elif what $CC 2>&1 | grep -i "HP C Compiler" > /dev/null 2>&1 && - $CC -c -Aa +w1 conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="+w1" - else - vl_cv_prog_cc_warnings="+w1 -Aa" - fi - - dnl The NEC SX-5 (Super-UX 10) C compiler - elif $CC -V 2>&1 | grep "/SX" > /dev/null 2>&1 && - $CC -c -pvctl[,]fullmsg -Xc conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-pvctl[,]fullmsg" - else - vl_cv_prog_cc_warnings="-pvctl[,]fullmsg -Xc" - fi - - dnl The Cray C compiler (Unicos) - elif $CC -V 2>&1 | grep -i "Cray" > /dev/null 2>&1 && - $CC -c -h msglevel 2 conftest.c > /dev/null 2>&1 && - test -f conftest.o; then - if test -z "$ansi"; then - vl_cv_prog_cc_warnings="-h msglevel 2" - else - vl_cv_prog_cc_warnings="-h msglevel 2 -h conform" - fi - - fi - rm -f conftest.* - fi - if test -n "$vl_cv_prog_cc_warnings"; then - CFLAGS="$CFLAGS $vl_cv_prog_cc_warnings" - else - vl_cv_prog_cc_warnings="unknown" - fi - ]) -])dnl - -dnl --------------------------------------------------------------------------- -dnl Available from the GNU Autoconf Macro Archive at: -dnl http://autoconf-archive.cryp.to/ax_lang_compiler_ms.html -dnl --------------------------------------------------------------------------- - -dnl @synopsis AX_LANG_COMPILER_MS -dnl -dnl Check whether the compiler for the current language is Microsoft. -dnl -dnl This macro is modeled after _AC_LANG_COMPILER_GNU in the GNU -dnl Autoconf implementation. -dnl -dnl @category InstalledPackages -dnl @author Braden McDaniel -dnl @version 2004-11-15 -dnl @license AllPermissive - -AC_DEFUN([AX_LANG_COMPILER_MS], -[AC_CACHE_CHECK([whether we are using the Microsoft _AC_LANG compiler], - [ax_cv_[]_AC_LANG_ABBREV[]_compiler_ms], -[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [[#ifndef _MSC_VER - choke me -#endif -]])], - [ax_compiler_ms=yes], - [ax_compiler_ms=no]) -ax_cv_[]_AC_LANG_ABBREV[]_compiler_ms=$ax_compiler_ms -])]) - -dnl --------------------------------------------------------------------------- -dnl Available from the GNU Autoconf Macro Archive at: -dnl http://www.gnu.org/software/ac-archive/ax_check_gl.html -dnl --------------------------------------------------------------------------- - -dnl @synopsis AX_CHECK_GL -dnl -dnl Check for an OpenGL implementation. If GL is found, the required -dnl compiler and linker flags are included in the output variables -dnl "GL_CFLAGS" and "GL_LIBS", respectively. This macro adds the -dnl configure option "--with-apple-opengl-framework", which users can -dnl use to indicate that Apple's OpenGL framework should be used on Mac -dnl OS X. If Apple's OpenGL framework is used, the symbol -dnl "HAVE_APPLE_OPENGL_FRAMEWORK" is defined. If no GL implementation -dnl is found, "no_gl" is set to "yes". -dnl -dnl @category InstalledPackages -dnl @author Braden McDaniel -dnl @version 2004-11-15 -dnl @license AllPermissive - -AC_DEFUN([AX_CHECK_GL], -[AC_REQUIRE([AC_PATH_X])dnl -AC_REQUIRE([ACX_PTHREAD])dnl - -# -# There isn't a reliable way to know we should use the Apple OpenGL framework -# without a configure option. A Mac OS X user may have installed an -# alternative GL implementation (e.g., Mesa), which may or may not depend on X. -# -AC_ARG_WITH([apple-opengl-framework], - [AC_HELP_STRING([--with-apple-opengl-framework], - [use Apple OpenGL framework (Mac OS X only)])]) -if test "X$with_apple_opengl_framework" = "Xyes"; then - AC_DEFINE([HAVE_APPLE_OPENGL_FRAMEWORK], [1], - [Use the Apple OpenGL framework.]) - GL_LIBS="-framework OpenGL" -else - AC_LANG_PUSH(C) - - AX_LANG_COMPILER_MS - if test X$ax_compiler_ms = Xno; then - GL_CFLAGS="${PTHREAD_CFLAGS}" - GL_LIBS="${PTHREAD_LIBS} -lm" - fi - - # - # Use x_includes and x_libraries if they have been set (presumably by - # AC_PATH_X). - # - if test "X$no_x" != "Xyes"; then - if test -n "$x_includes"; then - GL_CFLAGS="-I${x_includes} ${GL_CFLAGS}" - fi - if test -n "$x_libraries"; then - GL_LIBS="-L${x_libraries} -lX11 ${GL_LIBS}" - fi - fi - - AC_CHECK_HEADERS([windows.h]) - - AC_CACHE_CHECK([for OpenGL library], [ax_cv_check_gl_libgl], - [ax_cv_check_gl_libgl="no" - ax_save_CPPFLAGS="${CPPFLAGS}" - CPPFLAGS="${GL_CFLAGS} ${CPPFLAGS}" - ax_save_LIBS="${LIBS}" - LIBS="" - ax_check_libs="-lopengl32 -lGL" - for ax_lib in ${ax_check_libs}; do - if test X$ax_compiler_ms = Xyes; then - ax_try_lib=`echo $ax_lib | sed -e 's/^-l//' -e 's/$/.lib/'` - else - ax_try_lib="${ax_lib}" - fi - LIBS="${ax_try_lib} ${GL_LIBS} ${ax_save_LIBS}" - AC_LINK_IFELSE( - [AC_LANG_PROGRAM([[ -# if HAVE_WINDOWS_H && defined(_WIN32) -# include -# endif -# include ]], - [[glBegin(0)]])], - [ax_cv_check_gl_libgl="${ax_try_lib}"; break]) - done - LIBS=${ax_save_LIBS} - CPPFLAGS=${ax_save_CPPFLAGS}]) - - if test "X${ax_cv_check_gl_libgl}" = "Xno"; then - no_gl="yes" - GL_CFLAGS="" - GL_LIBS="" - else - GL_LIBS="${ax_cv_check_gl_libgl} ${GL_LIBS}" - fi - AC_LANG_POP(C) -fi - -AC_SUBST([GL_CFLAGS]) -AC_SUBST([GL_LIBS]) -])dnl - -dnl --------------------------------------------------------------------------- -dnl Available from the GNU Autoconf Macro Archive at: -dnl http://www.gnu.org/software/ac-archive/ax_check_glu.html -dnl --------------------------------------------------------------------------- - -dnl @synopsis AX_CHECK_GLU -dnl -dnl Check for GLU. If GLU is found, the required preprocessor and -dnl linker flags are included in the output variables "GLU_CFLAGS" and -dnl "GLU_LIBS", respectively. This macro adds the configure option -dnl "--with-apple-opengl-framework", which users can use to indicate -dnl that Apple's OpenGL framework should be used on Mac OS X. If -dnl Apple's OpenGL framework is used, the symbol -dnl "HAVE_APPLE_OPENGL_FRAMEWORK" is defined. If no GLU implementation -dnl is found, "no_glu" is set to "yes". -dnl -dnl @category InstalledPackages -dnl @author Braden McDaniel -dnl @version 2004-11-15 -dnl @license AllPermissive - -AC_DEFUN([AX_CHECK_GLU], -[AC_REQUIRE([AX_CHECK_GL])dnl -AC_REQUIRE([AC_PROG_CXX])dnl -GLU_CFLAGS="${GL_CFLAGS}" -if test "X${with_apple_opengl_framework}" != "Xyes"; then - AC_CACHE_CHECK([for OpenGL Utility library], [ax_cv_check_glu_libglu], - [ax_cv_check_glu_libglu="no" - ax_save_CPPFLAGS="${CPPFLAGS}" - CPPFLAGS="${GL_CFLAGS} ${CPPFLAGS}" - ax_save_LIBS="${LIBS}" - LIBS="" - ax_check_libs="-lglu32 -lGLU" - for ax_lib in ${ax_check_libs}; do - if test X$ax_compiler_ms = Xyes; then - ax_try_lib=`echo $ax_lib | sed -e 's/^-l//' -e 's/$/.lib/'` - else - ax_try_lib="${ax_lib}" - fi - LIBS="${ax_try_lib} ${GL_LIBS} ${ax_save_LIBS}" - # - # libGLU typically links with libstdc++ on POSIX platforms. However, - # setting the language to C++ means that test program source is named - # "conftest.cc"; and Microsoft cl doesn't know what to do with such a - # file. - # - AC_LANG_PUSH([C++]) - if test X$ax_compiler_ms = Xyes; then - AC_LANG_PUSH([C]) - fi - AC_LINK_IFELSE( - [AC_LANG_PROGRAM([[ -# if HAVE_WINDOWS_H && defined(_WIN32) -# include -# endif -# include ]], - [[gluBeginCurve(0)]])], - [ax_cv_check_glu_libglu="${ax_try_lib}"; break]) - if test X$ax_compiler_ms = Xyes; then - AC_LANG_POP([C]) - fi - AC_LANG_POP([C++]) - done - LIBS=${ax_save_LIBS} - CPPFLAGS=${ax_save_CPPFLAGS}]) - if test "X${ax_cv_check_glu_libglu}" = "Xno"; then - no_glu="yes" - GLU_CFLAGS="" - GLU_LIBS="" - else - GLU_LIBS="${ax_cv_check_glu_libglu} ${GL_LIBS}" - fi -fi -AC_SUBST([GLU_CFLAGS]) -AC_SUBST([GLU_LIBS]) -]) - -dnl --------------------------------------------------------------------------- -dnl Available from the GNU Autoconf Macro Archive at: -dnl http://www.gnu.org/software/ac-archive/ax_check_glut.html -dnl --------------------------------------------------------------------------- - -dnl @synopsis AX_CHECK_GLUT -dnl -dnl Check for GLUT. If GLUT is found, the required compiler and linker -dnl flags are included in the output variables "GLUT_CFLAGS" and -dnl "GLUT_LIBS", respectively. This macro adds the configure option -dnl "--with-apple-opengl-framework", which users can use to indicate -dnl that Apple's OpenGL framework should be used on Mac OS X. If -dnl Apple's OpenGL framework is used, the symbol -dnl "HAVE_APPLE_OPENGL_FRAMEWORK" is defined. If GLUT is not found, -dnl "no_glut" is set to "yes". -dnl -dnl @category InstalledPackages -dnl @author Braden McDaniel -dnl @version 2004-11-15 -dnl @license AllPermissive - -AC_DEFUN([AX_CHECK_GLUT], -[AC_REQUIRE([AX_CHECK_GLU])dnl -AC_REQUIRE([AC_PATH_XTRA])dnl - -if test "X$with_apple_opengl_framework" = "Xyes"; then - GLUT_CFLAGS="${GLU_CFLAGS}" - GLUT_LIBS="-framework GLUT -lobjc ${GL_LIBS}" -else - GLUT_CFLAGS=${GLU_CFLAGS} - GLUT_LIBS=${GLU_LIBS} - - # - # If X is present, assume GLUT depends on it. - # - if test "X${no_x}" != "Xyes"; then - GLUT_LIBS="${X_PRE_LIBS} -lXmu -lXi ${X_EXTRA_LIBS} ${GLUT_LIBS}" - fi - - AC_LANG_PUSH(C) - - ax_save_CPPFLAGS="${CPPFLAGS}" - CPPFLAGS="${GLUT_CFLAGS} ${CPPFLAGS}" - - AC_CACHE_CHECK([for GLUT library], [ax_cv_check_glut_libglut], - [ax_cv_check_glut_libglut="no" - ax_save_LIBS="${LIBS}" - LIBS="" - ax_check_libs="-lglut32 -lglut" - for ax_lib in ${ax_check_libs}; do - if test X$ax_compiler_ms = Xyes; then - ax_try_lib=`echo $ax_lib | sed -e 's/^-l//' -e 's/$/.lib/'` - else - ax_try_lib="${ax_lib}" - fi - LIBS="${ax_try_lib} ${GLUT_LIBS} ${ax_save_LIBS}" - AC_LINK_IFELSE( - [AC_LANG_PROGRAM([[ -# if HAVE_WINDOWS_H && defined(_WIN32) -# include -# endif -# include ]], - [[glutMainLoop()]])], - [ax_cv_check_glut_libglut="${ax_try_lib}"; break]) - - done - LIBS=${ax_save_LIBS} - ]) - CPPFLAGS="${ax_save_CPPFLAGS}" - AC_LANG_POP(C) - - if test "X${ax_cv_check_glut_libglut}" = "Xno"; then - no_glut="yes" - GLUT_CFLAGS="" - GLUT_LIBS="" - else - GLUT_LIBS="${ax_cv_check_glut_libglut} ${GLUT_LIBS}" - fi -fi - -AC_SUBST([GLUT_CFLAGS]) -AC_SUBST([GLUT_LIBS]) -])dnl - -dnl --------------------------------------------------------------------------- -dnl Available from the GNU Autoconf Macro Archive at: -dnl http://www.gnu.org/software/ac-archive/acx_pthread.html -dnl --------------------------------------------------------------------------- - -dnl @synopsis ACX_PTHREAD([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) -dnl -dnl This macro figures out how to build C programs using POSIX threads. -dnl It sets the PTHREAD_LIBS output variable to the threads library and -dnl linker flags, and the PTHREAD_CFLAGS output variable to any special -dnl C compiler flags that are needed. (The user can also force certain -dnl compiler flags/libs to be tested by setting these environment -dnl variables.) -dnl -dnl Also sets PTHREAD_CC to any special C compiler that is needed for -dnl multi-threaded programs (defaults to the value of CC otherwise). -dnl (This is necessary on AIX to use the special cc_r compiler alias.) -dnl -dnl NOTE: You are assumed to not only compile your program with these -dnl flags, but also link it with them as well. e.g. you should link -dnl with $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS -dnl $LIBS -dnl -dnl If you are only building threads programs, you may wish to use -dnl these variables in your default LIBS, CFLAGS, and CC: -dnl -dnl LIBS="$PTHREAD_LIBS $LIBS" -dnl CFLAGS="$CFLAGS $PTHREAD_CFLAGS" -dnl CC="$PTHREAD_CC" -dnl -dnl In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute -dnl constant has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to -dnl that name (e.g. PTHREAD_CREATE_UNDETACHED on AIX). -dnl -dnl ACTION-IF-FOUND is a list of shell commands to run if a threads -dnl library is found, and ACTION-IF-NOT-FOUND is a list of commands to -dnl run it if it is not found. If ACTION-IF-FOUND is not specified, the -dnl default action will define HAVE_PTHREAD. -dnl -dnl Please let the authors know if this macro fails on any platform, or -dnl if you have any other suggestions or comments. This macro was based -dnl on work by SGJ on autoconf scripts for FFTW (www.fftw.org) (with -dnl help from M. Frigo), as well as ac_pthread and hb_pthread macros -dnl posted by Alejandro Forero Cuervo to the autoconf macro repository. -dnl We are also grateful for the helpful feedback of numerous users. -dnl -dnl @category InstalledPackages -dnl @author Steven G. Johnson -dnl @version 2005-01-14 -dnl @license GPLWithACException - -AC_DEFUN([ACX_PTHREAD], [ -AC_REQUIRE([AC_CANONICAL_HOST]) -AC_LANG_SAVE -AC_LANG_C -acx_pthread_ok=no - -# We used to check for pthread.h first, but this fails if pthread.h -# requires special compiler flags (e.g. on True64 or Sequent). -# It gets checked for in the link test anyway. - -# First of all, check if the user has set any of the PTHREAD_LIBS, -# etcetera environment variables, and if threads linking works using -# them: -if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then - save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS" - save_LIBS="$LIBS" - LIBS="$PTHREAD_LIBS $LIBS" - AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS]) - AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes) - AC_MSG_RESULT($acx_pthread_ok) - if test x"$acx_pthread_ok" = xno; then - PTHREAD_LIBS="" - PTHREAD_CFLAGS="" - fi - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" -fi - -# We must check for the threads library under a number of different -# names; the ordering is very important because some systems -# (e.g. DEC) have both -lpthread and -lpthreads, where one of the -# libraries is broken (non-POSIX). - -# Create a list of thread flags to try. Items starting with a "-" are -# C compiler flags, and other items are library names, except for "none" -# which indicates that we try without any flags at all, and "pthread-config" -# which is a program returning the flags for the Pth emulation library. - -acx_pthread_flags="pthreads none -Kthread -kthread lthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" - -# The ordering *is* (sometimes) important. Some notes on the -# individual items follow: - -# pthreads: AIX (must check this before -lpthread) -# none: in case threads are in libc; should be tried before -Kthread and -# other compiler flags to prevent continual compiler warnings -# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h) -# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able) -# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread) -# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads) -# -pthreads: Solaris/gcc -# -mthreads: Mingw32/gcc, Lynx/gcc -# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it -# doesn't hurt to check since this sometimes defines pthreads too; -# also defines -D_REENTRANT) -# pthread: Linux, etcetera -# --thread-safe: KAI C++ -# pthread-config: use pthread-config program (for GNU Pth library) - -case "${host_cpu}-${host_os}" in - *solaris*) - - # On Solaris (at least, for some versions), libc contains stubbed - # (non-functional) versions of the pthreads routines, so link-based - # tests will erroneously succeed. (We need to link with -pthread or - # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather - # a function called by this macro, so we could check for that, but - # who knows whether they'll stub that too in a future libc.) So, - # we'll just look for -pthreads and -lpthread first: - - acx_pthread_flags="-pthread -pthreads pthread -mt $acx_pthread_flags" - ;; -esac - -if test x"$acx_pthread_ok" = xno; then -for flag in $acx_pthread_flags; do - - case $flag in - none) - AC_MSG_CHECKING([whether pthreads work without any flags]) - ;; - - -*) - AC_MSG_CHECKING([whether pthreads work with $flag]) - PTHREAD_CFLAGS="$flag" - ;; - - pthread-config) - AC_CHECK_PROG(acx_pthread_config, pthread-config, yes, no) - if test x"$acx_pthread_config" = xno; then continue; fi - PTHREAD_CFLAGS="`pthread-config --cflags`" - PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" - ;; - - *) - AC_MSG_CHECKING([for the pthreads library -l$flag]) - PTHREAD_LIBS="-l$flag" - ;; - esac - - save_LIBS="$LIBS" - save_CFLAGS="$CFLAGS" - LIBS="$PTHREAD_LIBS $LIBS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS" - - # Check for various functions. We must include pthread.h, - # since some functions may be macros. (On the Sequent, we - # need a special flag -Kthread to make this header compile.) - # We check for pthread_join because it is in -lpthread on IRIX - # while pthread_create is in libc. We check for pthread_attr_init - # due to DEC craziness with -lpthreads. We check for - # pthread_cleanup_push because it is one of the few pthread - # functions on Solaris that doesn't have a non-functional libc stub. - # We try pthread_create on general principles. - AC_TRY_LINK([#include ], - [pthread_t th; pthread_join(th, 0); - pthread_attr_init(0); pthread_cleanup_push(0, 0); - pthread_create(0,0,0,0); pthread_cleanup_pop(0); ], - [acx_pthread_ok=yes]) - - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" - - AC_MSG_RESULT($acx_pthread_ok) - if test "x$acx_pthread_ok" = xyes; then - break; - fi - - PTHREAD_LIBS="" - PTHREAD_CFLAGS="" -done -fi - -# Various other checks: -if test "x$acx_pthread_ok" = xyes; then - save_LIBS="$LIBS" - LIBS="$PTHREAD_LIBS $LIBS" - save_CFLAGS="$CFLAGS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS" - - # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. - AC_MSG_CHECKING([for joinable pthread attribute]) - attr_name=unknown - for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do - AC_TRY_LINK([#include ], [int attr=$attr;], - [attr_name=$attr; break]) - done - AC_MSG_RESULT($attr_name) - if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then - AC_DEFINE_UNQUOTED(PTHREAD_CREATE_JOINABLE, $attr_name, - [Define to necessary symbol if this constant - uses a non-standard name on your system.]) - fi - - AC_MSG_CHECKING([if more special flags are required for pthreads]) - flag=no - case "${host_cpu}-${host_os}" in - *-aix* | *-freebsd* | *-darwin*) flag="-D_THREAD_SAFE";; - *solaris* | *-osf* | *-hpux*) flag="-D_REENTRANT";; - esac - AC_MSG_RESULT(${flag}) - if test "x$flag" != xno; then - PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" - fi - - LIBS="$save_LIBS" - CFLAGS="$save_CFLAGS" - - # More AIX lossage: must compile with cc_r - AC_CHECK_PROG(PTHREAD_CC, cc_r, cc_r, ${CC}) -else - PTHREAD_CC="$CC" -fi - -AC_SUBST(PTHREAD_LIBS) -AC_SUBST(PTHREAD_CFLAGS) -AC_SUBST(PTHREAD_CC) - -# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: -if test x"$acx_pthread_ok" = xyes; then - ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1]) - : -else - acx_pthread_ok=no - $2 -fi -AC_LANG_RESTORE -])dnl ACX_PTHREAD