diff options
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/ac_pkg_cython.m4 | 6 | ||||
| -rw-r--r-- | m4/as-compiler-flag.m4 | 4 | ||||
| -rw-r--r-- | m4/ax_pthread.m4 | 251 | ||||
| -rw-r--r-- | m4/ax_python_devel.m4 | 361 | ||||
| -rw-r--r-- | m4/cython_python.m4 | 2 |
5 files changed, 401 insertions, 223 deletions
diff --git a/m4/ac_pkg_cython.m4 b/m4/ac_pkg_cython.m4 index 3b4c9a7..e0af96a 100644 --- a/m4/ac_pkg_cython.m4 +++ b/m4/ac_pkg_cython.m4 @@ -1,8 +1,8 @@ AC_DEFUN([AC_PROG_CYTHON],[ - AC_PATH_PROG([CYTHON],[cython]) + AC_PATH_PROGS([CYTHON],[cython cython3]) if test -z "$CYTHON" ; then - AC_MSG_WARN([cannot find 'cython' program. You should look at http://www.cython.org] or install your distribution specific cython package.) + AC_MSG_WARN([Unable to find 'cython' or 'cython3' program. You should look at https://cython.org or install your distribution specific cython package.]) CYTHON=false elif test -n "$1" ; then AC_MSG_CHECKING([for Cython version]) @@ -59,7 +59,7 @@ AC_DEFUN([AC_PROG_CYTHON],[ CYTHON='echo "Error: Cython version >= $1 is required. You have '"$cython_version"'. You should look at http://www.cython.org" ; false' fi else - AC_MSG_WARN([cannot determine Cython version]) + AC_MSG_WARN([Unable to determine Cython version]) CYTHON=false fi fi diff --git a/m4/as-compiler-flag.m4 b/m4/as-compiler-flag.m4 index 0f660cf..baab5d9 100644 --- a/m4/as-compiler-flag.m4 +++ b/m4/as-compiler-flag.m4 @@ -18,7 +18,7 @@ AC_DEFUN([AS_COMPILER_FLAG], save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $1" - AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], [flag_ok=yes], [flag_ok=no]) CFLAGS="$save_CFLAGS" if test "X$flag_ok" = Xyes ; then @@ -44,7 +44,7 @@ AC_DEFUN([AS_COMPILER_FLAGS], do save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $each" - AC_TRY_COMPILE([ ], [], [flag_ok=yes], [flag_ok=no]) + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], [flag_ok=yes], [flag_ok=no]) CFLAGS="$save_CFLAGS" if test "X$flag_ok" = Xyes ; then diff --git a/m4/ax_pthread.m4 b/m4/ax_pthread.m4 index 5fbf9fe..9f35d13 100644 --- a/m4/ax_pthread.m4 +++ b/m4/ax_pthread.m4 @@ -14,20 +14,24 @@ # flags that are needed. (The user can also force certain compiler # flags/libs to be tested by setting these environment variables.) # -# Also sets PTHREAD_CC to any special C compiler that is needed for -# multi-threaded programs (defaults to the value of CC otherwise). (This -# is necessary on AIX to use the special cc_r compiler alias.) +# Also sets PTHREAD_CC and PTHREAD_CXX to any special C compiler that is +# needed for multi-threaded programs (defaults to the value of CC +# respectively CXX otherwise). (This is necessary on e.g. AIX to use the +# special cc_r/CC_r compiler alias.) # # NOTE: You are assumed to not only compile your program with these flags, # but also to link with them as well. For example, you might link with # $PTHREAD_CC $CFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS +# $PTHREAD_CXX $CXXFLAGS $PTHREAD_CFLAGS $LDFLAGS ... $PTHREAD_LIBS $LIBS # # If you are only building threaded programs, you may wish to use these # variables in your default LIBS, CFLAGS, and CC: # # LIBS="$PTHREAD_LIBS $LIBS" # CFLAGS="$CFLAGS $PTHREAD_CFLAGS" +# CXXFLAGS="$CXXFLAGS $PTHREAD_CFLAGS" # CC="$PTHREAD_CC" +# CXX="$PTHREAD_CXX" # # In addition, if the PTHREAD_CREATE_JOINABLE thread-attribute constant # has a nonstandard name, this macro defines PTHREAD_CREATE_JOINABLE to @@ -55,6 +59,7 @@ # # Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu> # Copyright (c) 2011 Daniel Richard G. <skunk@iSKUNK.ORG> +# Copyright (c) 2019 Marc Stevens <marc.stevens@cwi.nl> # # This program is free software: you can redistribute it and/or modify it # under the terms of the GNU General Public License as published by the @@ -82,7 +87,7 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 24 +#serial 31 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD]) AC_DEFUN([AX_PTHREAD], [ @@ -104,6 +109,7 @@ if test "x$PTHREAD_CFLAGS$PTHREAD_LIBS" != "x"; then ax_pthread_save_CFLAGS="$CFLAGS" ax_pthread_save_LIBS="$LIBS" AS_IF([test "x$PTHREAD_CC" != "x"], [CC="$PTHREAD_CC"]) + AS_IF([test "x$PTHREAD_CXX" != "x"], [CXX="$PTHREAD_CXX"]) CFLAGS="$CFLAGS $PTHREAD_CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" AC_MSG_CHECKING([for pthread_join using $CC $PTHREAD_CFLAGS $PTHREAD_LIBS]) @@ -123,10 +129,12 @@ fi # (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. +# Create a list of thread flags to try. Items with a "," contain both +# C compiler flags (before ",") and linker flags (after ","). Other items +# starting with a "-" are C compiler flags, and remaining 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. ax_pthread_flags="pthreads none -Kthread -pthread -pthreads -mthreads pthread --thread-safe -mt pthread-config" @@ -194,14 +202,47 @@ case $host_os in # that too in a future libc.) So we'll check first for the # standard Solaris way of linking pthreads (-mt -lpthread). - ax_pthread_flags="-mt,pthread pthread $ax_pthread_flags" + ax_pthread_flags="-mt,-lpthread pthread $ax_pthread_flags" ;; esac +# Are we compiling with Clang? + +AC_CACHE_CHECK([whether $CC is Clang], + [ax_cv_PTHREAD_CLANG], + [ax_cv_PTHREAD_CLANG=no + # Note that Autoconf sets GCC=yes for Clang as well as GCC + if test "x$GCC" = "xyes"; then + AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG], + [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */ +# if defined(__clang__) && defined(__llvm__) + AX_PTHREAD_CC_IS_CLANG +# endif + ], + [ax_cv_PTHREAD_CLANG=yes]) + fi + ]) +ax_pthread_clang="$ax_cv_PTHREAD_CLANG" + + # GCC generally uses -pthread, or -pthreads on some platforms (e.g. SPARC) +# Note that for GCC and Clang -pthread generally implies -lpthread, +# except when -nostdlib is passed. +# This is problematic using libtool to build C++ shared libraries with pthread: +# [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25460 +# [2] https://bugzilla.redhat.com/show_bug.cgi?id=661333 +# [3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468555 +# To solve this, first try -pthread together with -lpthread for GCC + AS_IF([test "x$GCC" = "xyes"], - [ax_pthread_flags="-pthread -pthreads $ax_pthread_flags"]) + [ax_pthread_flags="-pthread,-lpthread -pthread -pthreads $ax_pthread_flags"]) + +# Clang takes -pthread (never supported any other flag), but we'll try with -lpthread first + +AS_IF([test "x$ax_pthread_clang" = "xyes"], + [ax_pthread_flags="-pthread,-lpthread -pthread"]) + # The presence of a feature test macro requesting re-entrant function # definitions is, on some systems, a strong hint that pthreads support is @@ -224,25 +265,86 @@ AS_IF([test "x$ax_pthread_check_macro" = "x--"], [ax_pthread_check_cond=0], [ax_pthread_check_cond="!defined($ax_pthread_check_macro)"]) -# Are we compiling with Clang? -AC_CACHE_CHECK([whether $CC is Clang], - [ax_cv_PTHREAD_CLANG], - [ax_cv_PTHREAD_CLANG=no - # Note that Autoconf sets GCC=yes for Clang as well as GCC - if test "x$GCC" = "xyes"; then - AC_EGREP_CPP([AX_PTHREAD_CC_IS_CLANG], - [/* Note: Clang 2.7 lacks __clang_[a-z]+__ */ -# if defined(__clang__) && defined(__llvm__) - AX_PTHREAD_CC_IS_CLANG -# endif - ], - [ax_cv_PTHREAD_CLANG=yes]) - fi - ]) -ax_pthread_clang="$ax_cv_PTHREAD_CLANG" +if test "x$ax_pthread_ok" = "xno"; then +for ax_pthread_try_flag in $ax_pthread_flags; do + + case $ax_pthread_try_flag in + none) + AC_MSG_CHECKING([whether pthreads work without any flags]) + ;; + + *,*) + PTHREAD_CFLAGS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\1/"` + PTHREAD_LIBS=`echo $ax_pthread_try_flag | sed "s/^\(.*\),\(.*\)$/\2/"` + AC_MSG_CHECKING([whether pthreads work with "$PTHREAD_CFLAGS" and "$PTHREAD_LIBS"]) + ;; + + -*) + AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag]) + PTHREAD_CFLAGS="$ax_pthread_try_flag" + ;; + + pthread-config) + AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no]) + AS_IF([test "x$ax_pthread_config" = "xno"], [continue]) + PTHREAD_CFLAGS="`pthread-config --cflags`" + PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" + ;; + + *) + AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag]) + PTHREAD_LIBS="-l$ax_pthread_try_flag" + ;; + esac + + ax_pthread_save_CFLAGS="$CFLAGS" + ax_pthread_save_LIBS="$LIBS" + CFLAGS="$CFLAGS $PTHREAD_CFLAGS" + LIBS="$PTHREAD_LIBS $LIBS" + + # 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_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h> +# if $ax_pthread_check_cond +# error "$ax_pthread_check_macro must be defined" +# endif + static void *some_global = NULL; + static void routine(void *a) + { + /* To avoid any unused-parameter or + unused-but-set-parameter warning. */ + some_global = a; + } + static void *start_routine(void *a) { return a; }], + [pthread_t th; pthread_attr_t attr; + pthread_create(&th, 0, start_routine, 0); + pthread_join(th, 0); + pthread_attr_init(&attr); + pthread_cleanup_push(routine, 0); + pthread_cleanup_pop(0) /* ; */])], + [ax_pthread_ok=yes], + []) + + CFLAGS="$ax_pthread_save_CFLAGS" + LIBS="$ax_pthread_save_LIBS" + + AC_MSG_RESULT([$ax_pthread_ok]) + AS_IF([test "x$ax_pthread_ok" = "xyes"], [break]) + + PTHREAD_LIBS="" + PTHREAD_CFLAGS="" +done +fi -ax_pthread_clang_warning=no # Clang needs special handling, because older versions handle the -pthread # option in a rather... idiosyncratic way @@ -261,11 +363,6 @@ if test "x$ax_pthread_clang" = "xyes"; then # -pthread does define _REENTRANT, and while the Darwin headers # ignore this macro, third-party headers might not.) - PTHREAD_CFLAGS="-pthread" - PTHREAD_LIBS= - - ax_pthread_ok=yes - # However, older versions of Clang make a point of warning the user # that, in an invocation where only linking and no compilation is # taking place, the -pthread option has no effect ("argument unused @@ -294,7 +391,7 @@ if test "x$ax_pthread_clang" = "xyes"; then # step ax_pthread_save_ac_link="$ac_link" ax_pthread_sed='s/conftest\.\$ac_ext/conftest.$ac_objext/g' - ax_pthread_link_step=`$as_echo "$ac_link" | sed "$ax_pthread_sed"` + ax_pthread_link_step=`AS_ECHO(["$ac_link"]) | sed "$ax_pthread_sed"` ax_pthread_2step_ac_link="($ac_compile) && (echo ==== >&5) && ($ax_pthread_link_step)" ax_pthread_save_CFLAGS="$CFLAGS" for ax_pthread_try in '' -Qunused-arguments -Wno-unused-command-line-argument unknown; do @@ -320,78 +417,7 @@ if test "x$ax_pthread_clang" = "xyes"; then fi # $ax_pthread_clang = yes -if test "x$ax_pthread_ok" = "xno"; then -for ax_pthread_try_flag in $ax_pthread_flags; do - - case $ax_pthread_try_flag in - none) - AC_MSG_CHECKING([whether pthreads work without any flags]) - ;; - - -mt,pthread) - AC_MSG_CHECKING([whether pthreads work with -mt -lpthread]) - PTHREAD_CFLAGS="-mt" - PTHREAD_LIBS="-lpthread" - ;; - - -*) - AC_MSG_CHECKING([whether pthreads work with $ax_pthread_try_flag]) - PTHREAD_CFLAGS="$ax_pthread_try_flag" - ;; - pthread-config) - AC_CHECK_PROG([ax_pthread_config], [pthread-config], [yes], [no]) - AS_IF([test "x$ax_pthread_config" = "xno"], [continue]) - PTHREAD_CFLAGS="`pthread-config --cflags`" - PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" - ;; - - *) - AC_MSG_CHECKING([for the pthreads library -l$ax_pthread_try_flag]) - PTHREAD_LIBS="-l$ax_pthread_try_flag" - ;; - esac - - ax_pthread_save_CFLAGS="$CFLAGS" - ax_pthread_save_LIBS="$LIBS" - CFLAGS="$CFLAGS $PTHREAD_CFLAGS" - LIBS="$PTHREAD_LIBS $LIBS" - - # 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_LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h> -# if $ax_pthread_check_cond -# error "$ax_pthread_check_macro must be defined" -# endif - static void routine(void *a) { a = 0; } - static void *start_routine(void *a) { return a; }], - [pthread_t th; pthread_attr_t attr; - pthread_create(&th, 0, start_routine, 0); - pthread_join(th, 0); - pthread_attr_init(&attr); - pthread_cleanup_push(routine, 0); - pthread_cleanup_pop(0) /* ; */])], - [ax_pthread_ok=yes], - []) - - CFLAGS="$ax_pthread_save_CFLAGS" - LIBS="$ax_pthread_save_LIBS" - - AC_MSG_RESULT([$ax_pthread_ok]) - AS_IF([test "x$ax_pthread_ok" = "xyes"], [break]) - - PTHREAD_LIBS="" - PTHREAD_CFLAGS="" -done -fi # Various other checks: if test "x$ax_pthread_ok" = "xyes"; then @@ -438,7 +464,8 @@ if test "x$ax_pthread_ok" = "xyes"; then AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT], [ax_cv_PTHREAD_PRIO_INHERIT], [AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], - [[int i = PTHREAD_PRIO_INHERIT;]])], + [[int i = PTHREAD_PRIO_INHERIT; + return i;]])], [ax_cv_PTHREAD_PRIO_INHERIT=yes], [ax_cv_PTHREAD_PRIO_INHERIT=no]) ]) @@ -460,18 +487,28 @@ if test "x$ax_pthread_ok" = "xyes"; then [#handle absolute path differently from PATH based program lookup AS_CASE(["x$CC"], [x/*], - [AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"])], - [AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC])])]) + [ + AS_IF([AS_EXECUTABLE_P([${CC}_r])],[PTHREAD_CC="${CC}_r"]) + AS_IF([test "x${CXX}" != "x"], [AS_IF([AS_EXECUTABLE_P([${CXX}_r])],[PTHREAD_CXX="${CXX}_r"])]) + ], + [ + AC_CHECK_PROGS([PTHREAD_CC],[${CC}_r],[$CC]) + AS_IF([test "x${CXX}" != "x"], [AC_CHECK_PROGS([PTHREAD_CXX],[${CXX}_r],[$CXX])]) + ] + ) + ]) ;; esac fi fi test -n "$PTHREAD_CC" || PTHREAD_CC="$CC" +test -n "$PTHREAD_CXX" || PTHREAD_CXX="$CXX" AC_SUBST([PTHREAD_LIBS]) AC_SUBST([PTHREAD_CFLAGS]) AC_SUBST([PTHREAD_CC]) +AC_SUBST([PTHREAD_CXX]) # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: if test "x$ax_pthread_ok" = "xyes"; then diff --git a/m4/ax_python_devel.m4 b/m4/ax_python_devel.m4 index 44dbd83..935056c 100644 --- a/m4/ax_python_devel.m4 +++ b/m4/ax_python_devel.m4 @@ -4,7 +4,7 @@ # # SYNOPSIS # -# AX_PYTHON_DEVEL([version]) +# AX_PYTHON_DEVEL([version[,optional]]) # # DESCRIPTION # @@ -23,6 +23,11 @@ # version number. Don't use "PYTHON_VERSION" for this: that environment # variable is declared as precious and thus reserved for the end-user. # +# By default this will fail if it does not detect a development version of +# python. If you want it to continue, set optional to true, like +# AX_PYTHON_DEVEL([], [true]). The ax_python_devel_found variable will be +# "no" if it fails. +# # This macro should work for all versions of Python >= 2.1.0. As an end # user, you can disable the check for the python version by setting the # PYTHON_NOVERSIONCHECK environment variable to something else than the @@ -67,10 +72,18 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 21 +#serial 37 AU_ALIAS([AC_PYTHON_DEVEL], [AX_PYTHON_DEVEL]) AC_DEFUN([AX_PYTHON_DEVEL],[ + # Get whether it's optional + if test -z "$2"; then + ax_python_devel_optional=false + else + ax_python_devel_optional=$2 + fi + ax_python_devel_found=yes + # # Allow the use of a (user set) custom python version # @@ -81,21 +94,26 @@ AC_DEFUN([AX_PYTHON_DEVEL],[ AC_PATH_PROG([PYTHON],[python[$PYTHON_VERSION]]) if test -z "$PYTHON"; then - AC_MSG_ERROR([Cannot find python$PYTHON_VERSION in your system path]) + AC_MSG_WARN([Cannot find python$PYTHON_VERSION in your system path]) + if ! $ax_python_devel_optional; then + AC_MSG_ERROR([Giving up, python development not available]) + fi + ax_python_devel_found=no PYTHON_VERSION="" fi - # - # Check for a version of Python >= 2.1.0 - # - AC_MSG_CHECKING([for a version of Python >= '2.1.0']) - ac_supports_python_ver=`$PYTHON -c "import sys; \ + if test $ax_python_devel_found = yes; then + # + # Check for a version of Python >= 2.1.0 + # + AC_MSG_CHECKING([for a version of Python >= '2.1.0']) + ac_supports_python_ver=`$PYTHON -c "import sys; \ ver = sys.version.split ()[[0]]; \ print (ver >= '2.1.0')"` - if test "$ac_supports_python_ver" != "True"; then + if test "$ac_supports_python_ver" != "True"; then if test -z "$PYTHON_NOVERSIONCHECK"; then AC_MSG_RESULT([no]) - AC_MSG_FAILURE([ + AC_MSG_WARN([ This version of the AC@&t@_PYTHON_DEVEL macro doesn't work properly with versions of Python before 2.1.0. You may need to re-run configure, setting the @@ -104,58 +122,119 @@ PYTHON_EXTRA_LIBS and PYTHON_EXTRA_LDFLAGS by hand. Moreover, to disable this check, set PYTHON_NOVERSIONCHECK to something else than an empty string. ]) + if ! $ax_python_devel_optional; then + AC_MSG_FAILURE([Giving up]) + fi + ax_python_devel_found=no + PYTHON_VERSION="" else AC_MSG_RESULT([skip at user request]) fi - else + else AC_MSG_RESULT([yes]) + fi fi - # - # if the macro parameter ``version'' is set, honour it - # - if test -n "$1"; then + if test $ax_python_devel_found = yes; then + # + # If the macro parameter ``version'' is set, honour it. + # A Python shim class, VPy, is used to implement correct version comparisons via + # string expressions, since e.g. a naive textual ">= 2.7.3" won't work for + # Python 2.7.10 (the ".1" being evaluated as less than ".3"). + # + if test -n "$1"; then AC_MSG_CHECKING([for a version of Python $1]) - ac_supports_python_ver=`$PYTHON -c "import sys; \ - ver = sys.version.split ()[[0]]; \ + cat << EOF > ax_python_devel_vpy.py +class VPy: + def vtup(self, s): + return tuple(map(int, s.strip().replace("rc", ".").split("."))) + def __init__(self): + import sys + self.vpy = tuple(sys.version_info)[[:3]] + def __eq__(self, s): + return self.vpy == self.vtup(s) + def __ne__(self, s): + return self.vpy != self.vtup(s) + def __lt__(self, s): + return self.vpy < self.vtup(s) + def __gt__(self, s): + return self.vpy > self.vtup(s) + def __le__(self, s): + return self.vpy <= self.vtup(s) + def __ge__(self, s): + return self.vpy >= self.vtup(s) +EOF + ac_supports_python_ver=`$PYTHON -c "import ax_python_devel_vpy; \ + ver = ax_python_devel_vpy.VPy(); \ print (ver $1)"` + rm -rf ax_python_devel_vpy*.py* __pycache__/ax_python_devel_vpy*.py* if test "$ac_supports_python_ver" = "True"; then - AC_MSG_RESULT([yes]) + AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) - AC_MSG_ERROR([this package requires Python $1. + AC_MSG_WARN([this package requires Python $1. If you have it installed, but it isn't the default Python interpreter in your system path, please pass the PYTHON_VERSION variable to configure. See ``configure --help'' for reference. ]) + if ! $ax_python_devel_optional; then + AC_MSG_ERROR([Giving up]) + fi + ax_python_devel_found=no PYTHON_VERSION="" fi + fi fi - # - # Check if you have distutils, else fail - # - AC_MSG_CHECKING([for the distutils Python package]) - ac_distutils_result=`$PYTHON -c "import distutils" 2>&1` - if test $? -eq 0; then + if test $ax_python_devel_found = yes; then + # + # Check if you have distutils, else fail + # + AC_MSG_CHECKING([for the sysconfig Python package]) + ac_sysconfig_result=`$PYTHON -c "import sysconfig" 2>&1` + if test $? -eq 0; then AC_MSG_RESULT([yes]) - else + IMPORT_SYSCONFIG="import sysconfig" + else AC_MSG_RESULT([no]) - AC_MSG_ERROR([cannot import Python module "distutils". + + AC_MSG_CHECKING([for the distutils Python package]) + ac_sysconfig_result=`$PYTHON -c "from distutils import sysconfig" 2>&1` + if test $? -eq 0; then + AC_MSG_RESULT([yes]) + IMPORT_SYSCONFIG="from distutils import sysconfig" + else + AC_MSG_WARN([cannot import Python module "distutils". Please check your Python installation. The error was: -$ac_distutils_result]) - PYTHON_VERSION="" +$ac_sysconfig_result]) + if ! $ax_python_devel_optional; then + AC_MSG_ERROR([Giving up]) + fi + ax_python_devel_found=no + PYTHON_VERSION="" + fi + fi fi - # - # Check for Python include path - # - AC_MSG_CHECKING([for Python include path]) - if test -z "$PYTHON_CPPFLAGS"; then - python_path=`$PYTHON -c "import distutils.sysconfig; \ - print (distutils.sysconfig.get_python_inc ());"` - plat_python_path=`$PYTHON -c "import distutils.sysconfig; \ - print (distutils.sysconfig.get_python_inc (plat_specific=1));"` + if test $ax_python_devel_found = yes; then + # + # Check for Python include path + # + AC_MSG_CHECKING([for Python include path]) + if test -z "$PYTHON_CPPFLAGS"; then + if test "$IMPORT_SYSCONFIG" = "import sysconfig"; then + # sysconfig module has different functions + python_path=`$PYTHON -c "$IMPORT_SYSCONFIG; \ + print (sysconfig.get_path ('include'));"` + plat_python_path=`$PYTHON -c "$IMPORT_SYSCONFIG; \ + print (sysconfig.get_path ('platinclude'));"` + else + # old distutils way + python_path=`$PYTHON -c "$IMPORT_SYSCONFIG; \ + print (sysconfig.get_python_inc ());"` + plat_python_path=`$PYTHON -c "$IMPORT_SYSCONFIG; \ + print (sysconfig.get_python_inc (plat_specific=1));"` + fi if test -n "${python_path}"; then if test "${plat_python_path}" != "${python_path}"; then python_path="-I$python_path -I$plat_python_path" @@ -164,22 +243,22 @@ $ac_distutils_result]) fi fi PYTHON_CPPFLAGS=$python_path - fi - AC_MSG_RESULT([$PYTHON_CPPFLAGS]) - AC_SUBST([PYTHON_CPPFLAGS]) + fi + AC_MSG_RESULT([$PYTHON_CPPFLAGS]) + AC_SUBST([PYTHON_CPPFLAGS]) - # - # Check for Python library path - # - AC_MSG_CHECKING([for Python library path]) - if test -z "$PYTHON_LIBS"; then + # + # Check for Python library path + # + AC_MSG_CHECKING([for Python library path]) + if test -z "$PYTHON_LIBS"; then # (makes two attempts to ensure we've got a version number # from the interpreter) ac_python_version=`cat<<EOD | $PYTHON - # join all versioning strings, on some systems # major/minor numbers could be in different list elements -from distutils.sysconfig import * +from sysconfig import * e = get_config_var('VERSION') if e is not None: print(e) @@ -190,7 +269,7 @@ EOD` ac_python_version=$PYTHON_VERSION else ac_python_version=`$PYTHON -c "import sys; \ - print (sys.version[[:3]])"` + print ("%d.%d" % sys.version_info[[:2]])"` fi fi @@ -202,8 +281,8 @@ EOD` ac_python_libdir=`cat<<EOD | $PYTHON - # There should be only one -import distutils.sysconfig -e = distutils.sysconfig.get_config_var('LIBDIR') +$IMPORT_SYSCONFIG +e = sysconfig.get_config_var('LIBDIR') if e is not None: print (e) EOD` @@ -211,8 +290,8 @@ EOD` # Now, for the library: ac_python_library=`cat<<EOD | $PYTHON - -import distutils.sysconfig -c = distutils.sysconfig.get_config_vars() +$IMPORT_SYSCONFIG +c = sysconfig.get_config_vars() if 'LDVERSION' in c: print ('python'+c[['LDVERSION']]) else: @@ -231,83 +310,140 @@ EOD` else # old way: use libpython from python_configdir ac_python_libdir=`$PYTHON -c \ - "from distutils.sysconfig import get_python_lib as f; \ + "from sysconfig import get_python_lib as f; \ import os; \ print (os.path.join(f(plat_specific=1, standard_lib=1), 'config'));"` PYTHON_LIBS="-L$ac_python_libdir -lpython$ac_python_version" fi - if test -z "PYTHON_LIBS"; then - AC_MSG_ERROR([ + if test -z "$PYTHON_LIBS"; then + AC_MSG_WARN([ Cannot determine location of your Python DSO. Please check it was installed with dynamic libraries enabled, or try setting PYTHON_LIBS by hand. ]) + if ! $ax_python_devel_optional; then + AC_MSG_ERROR([Giving up]) + fi + ax_python_devel_found=no + PYTHON_VERSION="" fi + fi fi - AC_MSG_RESULT([$PYTHON_LIBS]) - AC_SUBST([PYTHON_LIBS]) - # - # Check for site packages - # - AC_MSG_CHECKING([for Python site-packages path]) - if test -z "$PYTHON_SITE_PKG"; then - PYTHON_SITE_PKG=`$PYTHON -c "import distutils.sysconfig; \ - print (distutils.sysconfig.get_python_lib(0,0));"` - fi - AC_MSG_RESULT([$PYTHON_SITE_PKG]) - AC_SUBST([PYTHON_SITE_PKG]) + if test $ax_python_devel_found = yes; then + AC_MSG_RESULT([$PYTHON_LIBS]) + AC_SUBST([PYTHON_LIBS]) - # - # libraries which must be linked in when embedding - # - AC_MSG_CHECKING(python extra libraries) - if test -z "$PYTHON_EXTRA_LIBS"; then - PYTHON_EXTRA_LIBS=`$PYTHON -c "import distutils.sysconfig; \ - conf = distutils.sysconfig.get_config_var; \ + # + # Check for site packages + # + AC_MSG_CHECKING([for Python site-packages path]) + if test -z "$PYTHON_SITE_PKG"; then + if test "$IMPORT_SYSCONFIG" = "import sysconfig"; then + PYTHON_SITE_PKG=`$PYTHON -c " +$IMPORT_SYSCONFIG; +if hasattr(sysconfig, 'get_default_scheme'): + scheme = sysconfig.get_default_scheme() +else: + scheme = sysconfig._get_default_scheme() +if scheme == 'posix_local': + # Debian's default scheme installs to /usr/local/ but we want to find headers in /usr/ + scheme = 'posix_prefix' +prefix = '$prefix' +if prefix == 'NONE': + prefix = '$ac_default_prefix' +sitedir = sysconfig.get_path('purelib', scheme, vars={'base': prefix}) +print(sitedir)"` + else + # distutils.sysconfig way + PYTHON_SITE_PKG=`$PYTHON -c "$IMPORT_SYSCONFIG; \ + print (sysconfig.get_python_lib(0,0));"` + fi + fi + AC_MSG_RESULT([$PYTHON_SITE_PKG]) + AC_SUBST([PYTHON_SITE_PKG]) + + # + # Check for platform-specific site packages + # + AC_MSG_CHECKING([for Python platform specific site-packages path]) + if test -z "$PYTHON_PLATFORM_SITE_PKG"; then + if test "$IMPORT_SYSCONFIG" = "import sysconfig"; then + PYTHON_PLATFORM_SITE_PKG=`$PYTHON -c " +$IMPORT_SYSCONFIG; +if hasattr(sysconfig, 'get_default_scheme'): + scheme = sysconfig.get_default_scheme() +else: + scheme = sysconfig._get_default_scheme() +if scheme == 'posix_local': + # Debian's default scheme installs to /usr/local/ but we want to find headers in /usr/ + scheme = 'posix_prefix' +prefix = '$prefix' +if prefix == 'NONE': + prefix = '$ac_default_prefix' +sitedir = sysconfig.get_path('platlib', scheme, vars={'platbase': prefix}) +print(sitedir)"` + else + # distutils.sysconfig way + PYTHON_PLATFORM_SITE_PKG=`$PYTHON -c "$IMPORT_SYSCONFIG; \ + print (sysconfig.get_python_lib(1,0));"` + fi + fi + AC_MSG_RESULT([$PYTHON_PLATFORM_SITE_PKG]) + AC_SUBST([PYTHON_PLATFORM_SITE_PKG]) + + # + # libraries which must be linked in when embedding + # + AC_MSG_CHECKING(python extra libraries) + if test -z "$PYTHON_EXTRA_LIBS"; then + PYTHON_EXTRA_LIBS=`$PYTHON -c "$IMPORT_SYSCONFIG; \ + conf = sysconfig.get_config_var; \ print (conf('LIBS') + ' ' + conf('SYSLIBS'))"` - fi - AC_MSG_RESULT([$PYTHON_EXTRA_LIBS]) - AC_SUBST(PYTHON_EXTRA_LIBS) + fi + AC_MSG_RESULT([$PYTHON_EXTRA_LIBS]) + AC_SUBST(PYTHON_EXTRA_LIBS) - # - # linking flags needed when embedding - # - AC_MSG_CHECKING(python extra linking flags) - if test -z "$PYTHON_EXTRA_LDFLAGS"; then - PYTHON_EXTRA_LDFLAGS=`$PYTHON -c "import distutils.sysconfig; \ - conf = distutils.sysconfig.get_config_var; \ + # + # linking flags needed when embedding + # + AC_MSG_CHECKING(python extra linking flags) + if test -z "$PYTHON_EXTRA_LDFLAGS"; then + PYTHON_EXTRA_LDFLAGS=`$PYTHON -c "$IMPORT_SYSCONFIG; \ + conf = sysconfig.get_config_var; \ print (conf('LINKFORSHARED'))"` - fi - AC_MSG_RESULT([$PYTHON_EXTRA_LDFLAGS]) - AC_SUBST(PYTHON_EXTRA_LDFLAGS) + # Hack for macos, it sticks this in here. + PYTHON_EXTRA_LDFLAGS=`echo $PYTHON_EXTRA_LDFLAGS | sed 's/CoreFoundation.*$/CoreFoundation/'` + fi + AC_MSG_RESULT([$PYTHON_EXTRA_LDFLAGS]) + AC_SUBST(PYTHON_EXTRA_LDFLAGS) - # - # final check to see if everything compiles alright - # - AC_MSG_CHECKING([consistency of all components of python development environment]) - # save current global flags - ac_save_LIBS="$LIBS" - ac_save_LDFLAGS="$LDFLAGS" - ac_save_CPPFLAGS="$CPPFLAGS" - LIBS="$ac_save_LIBS $PYTHON_LIBS $PYTHON_EXTRA_LIBS $PYTHON_EXTRA_LIBS" - LDFLAGS="$ac_save_LDFLAGS $PYTHON_EXTRA_LDFLAGS" - CPPFLAGS="$ac_save_CPPFLAGS $PYTHON_CPPFLAGS" - AC_LANG_PUSH([C]) - AC_LINK_IFELSE([ + # + # final check to see if everything compiles alright + # + AC_MSG_CHECKING([consistency of all components of python development environment]) + # save current global flags + ac_save_LIBS="$LIBS" + ac_save_LDFLAGS="$LDFLAGS" + ac_save_CPPFLAGS="$CPPFLAGS" + LIBS="$ac_save_LIBS $PYTHON_LIBS $PYTHON_EXTRA_LIBS" + LDFLAGS="$ac_save_LDFLAGS $PYTHON_EXTRA_LDFLAGS" + CPPFLAGS="$ac_save_CPPFLAGS $PYTHON_CPPFLAGS" + AC_LANG_PUSH([C]) + AC_LINK_IFELSE([ AC_LANG_PROGRAM([[#include <Python.h>]], [[Py_Initialize();]]) ],[pythonexists=yes],[pythonexists=no]) - AC_LANG_POP([C]) - # turn back to default flags - CPPFLAGS="$ac_save_CPPFLAGS" - LIBS="$ac_save_LIBS" - LDFLAGS="$ac_save_LDFLAGS" + AC_LANG_POP([C]) + # turn back to default flags + CPPFLAGS="$ac_save_CPPFLAGS" + LIBS="$ac_save_LIBS" + LDFLAGS="$ac_save_LDFLAGS" - AC_MSG_RESULT([$pythonexists]) + AC_MSG_RESULT([$pythonexists]) - if test ! "x$pythonexists" = "xyes"; then - AC_MSG_FAILURE([ + if test ! "x$pythonexists" = "xyes"; then + AC_MSG_WARN([ Could not link test program to Python. Maybe the main Python library has been installed in some non-standard library path. If so, pass it to configure, via the LIBS environment variable. @@ -317,8 +453,13 @@ EOD` You probably have to install the development version of the Python package for your distribution. The exact name of this package varies among them. ============================================================================ - ]) - PYTHON_VERSION="" + ]) + if ! $ax_python_devel_optional; then + AC_MSG_ERROR([Giving up]) + fi + ax_python_devel_found=no + PYTHON_VERSION="" + fi fi # diff --git a/m4/cython_python.m4 b/m4/cython_python.m4 index ba730d5..5b4a041 100644 --- a/m4/cython_python.m4 +++ b/m4/cython_python.m4 @@ -1,6 +1,6 @@ AC_DEFUN([CYTHON_PYTHON],[ AC_REQUIRE([AC_PROG_CYTHON]) - AC_REQUIRE([AC_PYTHON_DEVEL]) + AC_REQUIRE([AX_PYTHON_DEVEL]) test "x$1" != "xno" || cython_shadow=" -noproxy" AC_SUBST([CYTHON_PYTHON_OPT],[-python$cython_shadow]) AC_SUBST([CYTHON_PYTHON_CPPFLAGS],[$PYTHON_CPPFLAGS]) |