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gh-89886: Use Autoconf quadrigraphs where appropriate #105226

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Jun 7, 2023
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gh-89886: Use Autoconf quadrigraphs where appropriate #105226

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gh-89886: Use Autoconf quadrigraphs to fix syntax highlighting
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@erlend-aasland
erlend-aasland committed Jun 2, 2023
commit 56ce300292bee2922954829c82a5adf39fba8102
88 changes: 44 additions & 44 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -2616,7 +2616,7 @@ yes)
AC_MSG_RESULT([$MACOSX_DEPLOYMENT_TARGET])

AC_MSG_CHECKING([if specified universal architectures work])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[printf("%d", 42);]])],
AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include <stdio.h>]], [[printf("%d", 42);]])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([check config.log and use the '--with-universal-archs' option])
Expand Down Expand Up @@ -3057,7 +3057,7 @@ fi

AC_CACHE_CHECK([for pthread_t], [ac_cv_have_pthread_t], [
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_t x; x = *(pthread_t*)0;]])
AC_LANG_PROGRAM([[@%:@include <pthread.h>]], [[pthread_t x; x = *(pthread_t*)0;]])
], [ac_cv_have_pthread_t=yes], [ac_cv_have_pthread_t=no])
])
AS_VAR_IF([ac_cv_have_pthread_t], [yes], [
Expand All @@ -3070,11 +3070,11 @@ AS_VAR_IF([ac_cv_have_pthread_t], [yes], [

# Issue #25658: POSIX hasn't defined that pthread_key_t is compatible with int.
# This checking will be unnecessary after removing deprecated TLS API.
AC_CHECK_SIZEOF([pthread_key_t], [], [[#include <pthread.h>]])
AC_CHECK_SIZEOF([pthread_key_t], [], [[@%:@include <pthread.h>]])
AC_CACHE_CHECK([whether pthread_key_t is compatible with int], [ac_cv_pthread_key_t_is_arithmetic_type], [
if test "$ac_cv_sizeof_pthread_key_t" -eq "$ac_cv_sizeof_int" ; then
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[#include <pthread.h>]], [[pthread_key_t k; k * 1;]])],
[AC_LANG_PROGRAM([[@%:@include <pthread.h>]], [[pthread_key_t k; k * 1;]])],
[ac_cv_pthread_key_t_is_arithmetic_type=yes],
[ac_cv_pthread_key_t_is_arithmetic_type=no]
)
Expand Down Expand Up @@ -3615,7 +3615,7 @@ AC_CHECK_LIB([intl], [textdomain],
case "$ac_sys_system" in
AIX*) AC_MSG_CHECKING([for genuine AIX C++ extensions support])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[#include <load.h>]],
AC_LANG_PROGRAM([[@%:@include <load.h>]],
[[loadAndInit("", 0, "")]])
],[
AC_DEFINE([AIX_GENUINE_CPLUSPLUS], [1],
Expand Down Expand Up @@ -3833,9 +3833,9 @@ AS_VAR_IF([have_libffi], [yes], [
CFLAGS="$LIBFFI_CFLAGS $CFLAGS"
LDFLAGS="$LIBFFI_LIBS $LDFLAGS"

PY_CHECK_FUNC([ffi_prep_cif_var], [#include <ffi.h>])
PY_CHECK_FUNC([ffi_prep_closure_loc], [#include <ffi.h>])
PY_CHECK_FUNC([ffi_closure_alloc], [#include <ffi.h>])
PY_CHECK_FUNC([ffi_prep_cif_var], [@%:@include <ffi.h>])
PY_CHECK_FUNC([ffi_prep_closure_loc], [@%:@include <ffi.h>])
PY_CHECK_FUNC([ffi_closure_alloc], [@%:@include <ffi.h>])
])
])

Expand Down Expand Up @@ -4445,7 +4445,7 @@ AC_ARG_ENABLE([ipv6],
dnl the check does not work on cross compilation case...
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ /* AF_INET6 available check */
#include <sys/types.h>
#include <sys/socket.h>]],
@%:@include <sys/socket.h>]],
[[int domain = AF_INET6;]])],[
ipv6=yes
],[
Expand All @@ -4462,7 +4462,7 @@ if test "$ipv6" = "yes"; then
AC_MSG_CHECKING([if RFC2553 API is available])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([[#include <sys/types.h>
#include <netinet/in.h>]],
@%:@include <netinet/in.h>]],
[[struct sockaddr_in6 x;
x.sin6_scope_id;]])
],[
Expand Down Expand Up @@ -4494,7 +4494,7 @@ if test "$ipv6" = "yes"; then
#include <netinet/in.h>
#ifdef IPV6_INRIA_VERSION
yes
#endif],
@%:@endif],
[ipv6type=$i])
;;
kame)
Expand All @@ -4503,7 +4503,7 @@ yes
#include <netinet/in.h>
#ifdef __KAME__
yes
#endif],
@%:@endif],
[ipv6type=$i;
ipv6lib=inet6
ipv6libdir=/usr/local/v6/lib
Expand All @@ -4515,7 +4515,7 @@ yes
#include <features.h>
#if defined(__GLIBC__) && ((__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || (__GLIBC__ > 2))
yes
#endif],
@%:@endif],
[ipv6type=$i;
ipv6trylibc=yes])
;;
Expand All @@ -4541,7 +4541,7 @@ yes
#include <sys/param.h>
#ifdef _TOSHIBA_INET6
yes
#endif],
@%:@endif],
[ipv6type=$i;
ipv6lib=inet6;
ipv6libdir=/usr/local/v6/lib])
Expand All @@ -4551,7 +4551,7 @@ yes
#include </usr/local/v6/include/sys/v6config.h>
#ifdef __V6D__
yes
#endif],
@%:@endif],
[ipv6type=$i;
ipv6lib=v6;
ipv6libdir=/usr/local/v6/lib;
Expand All @@ -4562,7 +4562,7 @@ yes
#include <sys/param.h>
#ifdef _ZETA_MINAMI_INET6
yes
#endif],
@%:@endif],
[ipv6type=$i;
ipv6lib=inet6;
ipv6libdir=/usr/local/v6/lib])
Expand Down Expand Up @@ -4595,7 +4595,7 @@ fi

AC_CACHE_CHECK([CAN_RAW_FD_FRAMES], [ac_cv_can_raw_fd_frames], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ /* CAN_RAW_FD_FRAMES available check */
#include <linux/can/raw.h>]],
@%:@include <linux/can/raw.h>]],
[[int can_raw_fd_frames = CAN_RAW_FD_FRAMES;]])],
[ac_cv_can_raw_fd_frames=yes],
[ac_cv_can_raw_fd_frames=no])
Expand All @@ -4607,7 +4607,7 @@ AS_VAR_IF([ac_cv_can_raw_fd_frames], [yes], [

AC_CACHE_CHECK([for CAN_RAW_JOIN_FILTERS], [ac_cv_can_raw_join_filters], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <linux/can/raw.h>]],
@%:@include <linux/can/raw.h>]],
[[int can_raw_join_filters = CAN_RAW_JOIN_FILTERS;]])],
[ac_cv_can_raw_join_filters=yes],
[ac_cv_can_raw_join_filters=no])
Expand Down Expand Up @@ -4854,14 +4854,14 @@ AC_CHECK_DECL([dirfd],

# For some functions, having a definition is not sufficient, since
# we want to take their address.
PY_CHECK_FUNC([chroot], [#include <unistd.h>])
PY_CHECK_FUNC([link], [#include <unistd.h>])
PY_CHECK_FUNC([symlink], [#include <unistd.h>])
PY_CHECK_FUNC([fchdir], [#include <unistd.h>])
PY_CHECK_FUNC([fsync], [#include <unistd.h>])
PY_CHECK_FUNC([fdatasync], [#include <unistd.h>])
PY_CHECK_FUNC([epoll_create], [#include <sys/epoll.h>], [HAVE_EPOLL])
PY_CHECK_FUNC([epoll_create1], [#include <sys/epoll.h>])
PY_CHECK_FUNC([chroot], [@%:@include <unistd.h>])
PY_CHECK_FUNC([link], [@%:@include <unistd.h>])
PY_CHECK_FUNC([symlink], [@%:@include <unistd.h>])
PY_CHECK_FUNC([fchdir], [@%:@include <unistd.h>])
PY_CHECK_FUNC([fsync], [@%:@include <unistd.h>])
PY_CHECK_FUNC([fdatasync], [@%:@include <unistd.h>])
PY_CHECK_FUNC([epoll_create], [@%:@include <sys/epoll.h>], [HAVE_EPOLL])
PY_CHECK_FUNC([epoll_create1], [@%:@include <sys/epoll.h>])
PY_CHECK_FUNC([kqueue],[
#include <sys/types.h>
#include <sys/event.h>
Expand All @@ -4871,7 +4871,7 @@ PY_CHECK_FUNC([prlimit], [
#include <sys/resource.h>
])

PY_CHECK_FUNC([_dyld_shared_cache_contains_path], [#include <mach-o/dyld.h>], [HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH])
PY_CHECK_FUNC([_dyld_shared_cache_contains_path], [@%:@include <mach-o/dyld.h>], [HAVE_DYLD_SHARED_CACHE_CONTAINS_PATH])

PY_CHECK_FUNC([memfd_create], [
#ifdef HAVE_SYS_MMAN_H
Expand All @@ -4894,12 +4894,12 @@ PY_CHECK_FUNC([eventfd], [
# address to avoid compiler warnings and potential miscompilations
# because of the missing prototypes.

PY_CHECK_FUNC([ctermid_r], [#include <stdio.h>])
PY_CHECK_FUNC([ctermid_r], [@%:@include <stdio.h>])

AC_CACHE_CHECK([for flock declaration], [ac_cv_flock_decl],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <sys/file.h>],
[@%:@include <sys/file.h>],
[void* p = flock]
)],
[ac_cv_flock_decl=yes],
Expand All @@ -4912,12 +4912,12 @@ AS_VAR_IF([ac_cv_flock_decl], [yes],
AC_CHECK_LIB([bsd], [flock], [FCNTL_LIBS="-lbsd"])
)

PY_CHECK_FUNC([getpagesize], [#include <unistd.h>])
PY_CHECK_FUNC([getpagesize], [@%:@include <unistd.h>])

AC_CACHE_CHECK([for broken unsetenv], [ac_cv_broken_unsetenv],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <stdlib.h>],
[@%:@include <stdlib.h>],
[int res = unsetenv("DUMMY")])],
[ac_cv_broken_unsetenv=no],
[ac_cv_broken_unsetenv=yes]
Expand Down Expand Up @@ -5045,7 +5045,7 @@ PKG_CHECK_MODULES([LIBLZMA], [liblzma], [have_liblzma=yes], [
])

dnl PY_CHECK_NETDB_FUNC(FUNCTION)
AC_DEFUN([PY_CHECK_NETDB_FUNC], [PY_CHECK_FUNC([$1], [#include <netdb.h>])])
AC_DEFUN([PY_CHECK_NETDB_FUNC], [PY_CHECK_FUNC([$1], [@%:@include <netdb.h>])])

PY_CHECK_NETDB_FUNC([hstrerror])
dnl not available in WASI yet
Expand Down Expand Up @@ -5326,10 +5326,10 @@ AC_CHECK_MEMBERS([struct passwd.pw_gecos, struct passwd.pw_passwd], [], [], [[
#include <pwd.h>
]])
# Issue #21085: In Cygwin, siginfo_t does not have si_band field.
AC_CHECK_MEMBERS([siginfo_t.si_band], [], [], [[#include <signal.h>]])
AC_CHECK_MEMBERS([siginfo_t.si_band], [], [], [[@%:@include <signal.h>]])

AC_CACHE_CHECK([for time.h that defines altzone], [ac_cv_header_time_altzone], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <time.h>]], [[return altzone;]])],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <time.h>]], [[return altzone;]])],
[ac_cv_header_time_altzone=yes],
[ac_cv_header_time_altzone=no])
])
Expand All @@ -5339,7 +5339,7 @@ if test $ac_cv_header_time_altzone = yes; then
fi

AC_CACHE_CHECK([for addrinfo], [ac_cv_struct_addrinfo],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <netdb.h>]], [[struct addrinfo a]])],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <netdb.h>]], [[struct addrinfo a]])],
[ac_cv_struct_addrinfo=yes],
[ac_cv_struct_addrinfo=no]))
if test $ac_cv_struct_addrinfo = yes; then
Expand All @@ -5349,7 +5349,7 @@ fi
AC_CACHE_CHECK([for sockaddr_storage], [ac_cv_struct_sockaddr_storage],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
# include <sys/types.h>
# include <sys/socket.h>]], [[struct sockaddr_storage s]])],
@%:@ include <sys/socket.h>]], [[struct sockaddr_storage s]])],
[ac_cv_struct_sockaddr_storage=yes],
[ac_cv_struct_sockaddr_storage=no]))
if test $ac_cv_struct_sockaddr_storage = yes; then
Expand All @@ -5361,7 +5361,7 @@ AC_CACHE_CHECK([for sockaddr_alg], [ac_cv_struct_sockaddr_alg],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
# include <sys/types.h>
# include <sys/socket.h>
# include <linux/if_alg.h>]], [[struct sockaddr_alg s]])],
@%:@ include <linux/if_alg.h>]], [[struct sockaddr_alg s]])],
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[ac_cv_struct_sockaddr_alg=yes],
[ac_cv_struct_sockaddr_alg=no]))
if test $ac_cv_struct_sockaddr_alg = yes; then
Expand Down Expand Up @@ -5400,7 +5400,7 @@ PY_CHECK_FUNC([socketpair], [
# check if sockaddr has sa_len member
AC_CACHE_CHECK([if sockaddr has sa_len member], [ac_cv_struct_sockaddr_sa_len], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/socket.h>]], [[struct sockaddr x;
@%:@include <sys/socket.h>]], [[struct sockaddr x;
x.sa_len = 0;]])],
[ac_cv_struct_sockaddr_sa_len=yes], [ac_cv_struct_sockaddr_sa_len=no])
])
Expand Down Expand Up @@ -5734,7 +5734,7 @@ AS_VAR_IF([ac_cv_broken_sem_getvalue], [yes], [
)
])

AC_CHECK_DECLS([RTLD_LAZY, RTLD_NOW, RTLD_GLOBAL, RTLD_LOCAL, RTLD_NODELETE, RTLD_NOLOAD, RTLD_DEEPBIND, RTLD_MEMBER], [], [], [[#include <dlfcn.h>]])
AC_CHECK_DECLS([RTLD_LAZY, RTLD_NOW, RTLD_GLOBAL, RTLD_LOCAL, RTLD_NODELETE, RTLD_NOLOAD, RTLD_DEEPBIND, RTLD_MEMBER], [], [], [[@%:@include <dlfcn.h>]])

# determine what size digit to use for Python's longs
AC_MSG_CHECKING([digit size for Python's longs])
Expand Down Expand Up @@ -5951,7 +5951,7 @@ fi

# check for getc_unlocked and related locking functions
AC_CACHE_CHECK([for getc_unlocked() and friends], [ac_cv_have_getc_unlocked], [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>]], [[
AC_LINK_IFELSE([AC_LANG_PROGRAM([[@%:@include <stdio.h>]], [[
FILE *f = fopen("/dev/null", "r");
flockfile(f);
getc_unlocked(f);
Expand Down Expand Up @@ -6257,7 +6257,7 @@ fi

# Look for subsecond timestamps in struct stat
AC_CACHE_CHECK([for tv_nsec in struct stat], [ac_cv_stat_tv_nsec],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <sys/stat.h>]], [[
struct stat st;
st.st_mtim.tv_nsec = 1;
]])],
Expand All @@ -6271,7 +6271,7 @@ fi

# Look for BSD style subsecond timestamps in struct stat
AC_CACHE_CHECK([for tv_nsec2 in struct stat], [ac_cv_stat_tv_nsec2],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/stat.h>]], [[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <sys/stat.h>]], [[
struct stat st;
st.st_mtimespec.tv_nsec = 1;
]])],
Expand Down Expand Up @@ -6414,7 +6414,7 @@ AC_CHECK_HEADERS([term.h], [], [], [

# On HP/UX 11.0, mvwdelch is a block with a return statement
AC_CACHE_CHECK([whether mvwdelch is an expression], [ac_cv_mvwdelch_is_expression],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <curses.h>]], [[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include <curses.h>]], [[
int rtn;
rtn = mvwdelch(0,0,0);
]])],
Expand Down Expand Up @@ -6458,7 +6458,7 @@ AC_DEFUN([PY_CHECK_CURSES_FUNC],
[py_var],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[#include <curses.h>], [
[@%:@include <curses.h>], [
#ifndef $1
void *x=$1
#endif
Expand Down