Cache the results of all runtime checks.
This will be helpful to people who want to compile Python with a cross-compiler. Now you can upload the configure script on your host machine, run it with caching enabled, and download the cached results on your build machine.
This commit is contained in:
Alexandre Vassalotti
parent
0805b4ac54
commit
7b0c1c76cd
108
configure.in
108
configure.in
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@ -873,10 +873,11 @@ yes)
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AC_MSG_CHECKING(whether $CC accepts -fno-strict-aliasing)
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ac_save_cc="$CC"
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CC="$CC -fno-strict-aliasing"
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AC_CACHE_VAL(ac_cv_no_strict_aliasing_ok,
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AC_TRY_RUN([int main() { return 0; }],
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ac_cv_no_strict_aliasing_ok=yes,
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ac_cv_no_strict_aliasing_ok=no,
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ac_cv_no_strict_aliasing_ok=no)
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ac_cv_no_strict_aliasing_ok=no))
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CC="$ac_save_cc"
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AC_MSG_RESULT($ac_cv_no_strict_aliasing_ok)
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if test $ac_cv_no_strict_aliasing_ok = yes
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@ -2496,7 +2497,8 @@ AC_CHECK_LIB(c, inet_aton, [$ac_cv_prog_TRUE],
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# On Tru64, chflags seems to be present, but calling it will
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# exit Python
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AC_MSG_CHECKING(for chflags)
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AC_TRY_RUN([
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AC_CACHE_VAL(ac_cv_have_chflags,
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AC_TRY_RUN([[
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#include <sys/stat.h>
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#include <unistd.h>
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int main(int argc, char*argv[])
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@ -2505,13 +2507,19 @@ int main(int argc, char*argv[])
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return 1;
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return 0;
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}
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],AC_DEFINE(HAVE_CHFLAGS, 1, Define to 1 if you have the `chflags' function.)
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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]], ac_cv_have_chflags=yes,
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ac_cv_have_chflags=no,
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ac_cv_have_chflags=no)
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)
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AC_MSG_RESULT($ac_cv_have_chflags)
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if test $ac_cv_have_chflags = yes
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then
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AC_DEFINE(HAVE_CHFLAGS, 1, Define to 1 if you have the `chflags' function.)
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fi
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AC_MSG_CHECKING(for lchflags)
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AC_TRY_RUN([
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AC_CACHE_VAL(ac_cv_have_lchflags,
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AC_TRY_RUN([[
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#include <sys/stat.h>
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#include <unistd.h>
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int main(int argc, char*argv[])
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@ -2520,10 +2528,15 @@ int main(int argc, char*argv[])
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return 1;
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return 0;
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}
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],AC_DEFINE(HAVE_LCHFLAGS, 1, Define to 1 if you have the `lchflags' function.)
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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]], ac_cv_have_lchflags=yes,
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ac_cv_have_lchflags=no,
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ac_cv_have_lchflags=no)
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)
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AC_MSG_RESULT($ac_cv_have_lchflags)
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if test $ac_cv_have_lchflags = yes
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then
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AC_DEFINE(HAVE_LCHFLAGS, 1, Define to 1 if you have the `lchflags' function.)
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fi
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dnl Check if system zlib has *Copy() functions
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dnl
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@ -2677,19 +2690,22 @@ AC_TRY_LINK([
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#include <sys/socket.h>
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#include <netdb.h>
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#include <stdio.h>
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],[
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getaddrinfo(NULL, NULL, NULL, NULL);
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], [
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AC_MSG_RESULT(yes)
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AC_MSG_CHECKING(getaddrinfo bug)
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AC_TRY_RUN([
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], [getaddrinfo(NULL, NULL, NULL, NULL);],
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have_getaddrinfo=yes,
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have_getaddrinfo=no)
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AC_MSG_RESULT($have_getaddrinfo)
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if test $have_getaddrinfo = yes
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then
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AC_MSG_CHECKING(getaddrinfo bug)
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AC_CACHE_VAL(ac_cv_buggy_getaddrinfo,
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AC_TRY_RUN([[
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#include <sys/types.h>
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#include <netdb.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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main()
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int main()
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{
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int passive, gaierr, inet4 = 0, inet6 = 0;
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struct addrinfo hints, *ai, *aitop;
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@ -2761,26 +2777,22 @@ main()
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if (aitop)
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freeaddrinfo(aitop);
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exit(0);
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return 0;
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bad:
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if (aitop)
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freeaddrinfo(aitop);
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exit(1);
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return 1;
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}
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],
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AC_MSG_RESULT(good)
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buggygetaddrinfo=no,
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AC_MSG_RESULT(buggy)
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buggygetaddrinfo=yes,
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AC_MSG_RESULT(buggy)
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buggygetaddrinfo=yes)], [
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AC_MSG_RESULT(no)
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buggygetaddrinfo=yes
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])
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]], ac_cv_buggy_getaddrinfo=no,
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ac_cv_buggy_getaddrinfo=yes,
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ac_cv_buggy_getaddrinfo=yes))
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fi
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if test "$buggygetaddrinfo" = "yes"; then
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if test "$ipv6" = "yes"; then
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if test $have_getaddrinfo = no -o $ac_cv_buggy_getaddrinfo = yes
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then
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if test $ipv6 = yes
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then
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echo 'Fatal: You must get working getaddrinfo() function.'
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echo ' or you can specify "--disable-ipv6"'.
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exit 1
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@ -3247,6 +3259,7 @@ LIBS=$LIBS_SAVE
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# Multiprocessing check for broken sem_getvalue
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AC_MSG_CHECKING(for broken sem_getvalue)
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AC_CACHE_VAL(ac_cv_broken_sem_getvalue,
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AC_TRY_RUN([
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#include <unistd.h>
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#include <fcntl.h>
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@ -3267,11 +3280,16 @@ int main(void){
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sem_close(a);
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return res==-1 ? 1 : 0;
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}
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]
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,AC_MSG_RESULT(no),
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AC_MSG_RESULT(yes)
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AC_DEFINE(HAVE_BROKEN_SEM_GETVALUE, 1, define to 1 if your sem_getvalue is broken.)
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], ac_cv_broken_sem_getvalue=no,
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ac_cv_broken_sem_getvalue=yes,
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ac_cv_broken_sem_getvalue=yes)
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)
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AC_MSG_RESULT($ac_cv_broken_sem_getvalue)
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if test $ac_cv_broken_sem_getvalue = yes
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then
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AC_DEFINE(HAVE_BROKEN_SEM_GETVALUE, 1,
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[define to 1 if your sem_getvalue is broken.])
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fi
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# determine what size digit to use for Python's longs
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AC_MSG_CHECKING([digit size for Python's longs])
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@ -3528,6 +3546,7 @@ then
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fi
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AC_MSG_CHECKING(for broken poll())
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AC_CACHE_VAL(ac_cv_broken_poll,
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AC_TRY_RUN([
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#include <poll.h>
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@ -3555,7 +3574,7 @@ int main (void)
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],
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ac_cv_broken_poll=yes,
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ac_cv_broken_poll=no,
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ac_cv_broken_poll=no)
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ac_cv_broken_poll=no))
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AC_MSG_RESULT($ac_cv_broken_poll)
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if test "$ac_cv_broken_poll" = yes
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then
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@ -3757,6 +3776,7 @@ else
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fi
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AC_MSG_CHECKING(for %zd printf() format support)
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AC_CACHE_VAL(ac_cv_have_size_t_format,
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AC_TRY_RUN([#include <stdio.h>
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#include <stddef.h>
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#include <string.h>
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@ -3790,10 +3810,17 @@ int main()
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return 1;
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return 0;
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}],
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[AC_MSG_RESULT(yes)
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AC_DEFINE(PY_FORMAT_SIZE_T, "z", [Define to printf format modifier for Py_ssize_t])],
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AC_MSG_RESULT(no))
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}
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], ac_cv_have_size_t_format=yes,
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ac_cv_have_size_t_format=no,
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ac_cv_have_size_t_format=no)
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)
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AC_MSG_RESULT($ac_cv_have_size_t_format)
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if test $ac_cv_have_size_t_format = yes
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then
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AC_DEFINE(PY_FORMAT_SIZE_T, "z",
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[Define to printf format modifier for Py_ssize_t])
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fi
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AC_CHECK_TYPE(socklen_t,,
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AC_DEFINE(socklen_t,int,
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@ -3807,6 +3834,7 @@ AC_CHECK_TYPE(socklen_t,,
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])
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AC_MSG_CHECKING(for broken mbstowcs)
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AC_CACHE_VAL(ac_cv_broken_mbstowcs,
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AC_TRY_RUN([
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#include<stdlib.h>
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int main() {
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@ -3818,7 +3846,7 @@ int main() {
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],
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ac_cv_broken_mbstowcs=no,
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ac_cv_broken_mbstowcs=yes,
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ac_cv_broken_mbstowcs=no)
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ac_cv_broken_mbstowcs=no))
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AC_MSG_RESULT($ac_cv_broken_mbstowcs)
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if test "$ac_cv_broken_mbstowcs" = yes
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then
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