diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 64 |
1 files changed, 44 insertions, 20 deletions
diff --git a/configure.ac b/configure.ac index 64f12f2879..5610c5759d 100644 --- a/configure.ac +++ b/configure.ac @@ -3,7 +3,7 @@ dnl * Please run autoreconf to test your changes! * dnl *********************************************** # Set VERSION so we only need to edit in one place (i.e., here) -m4_define(PYTHON_VERSION, 3.6) +m4_define(PYTHON_VERSION, 3.7) AC_PREREQ(2.65) @@ -1689,6 +1689,26 @@ yes) fi AC_MSG_RESULT($ac_cv_enable_unreachable_code_warning) + AC_MSG_CHECKING(if we can make implicit function declaration an error in $CC) + ac_save_cc="$CC" + CC="$CC -Werror=implicit-function-declaration" + AC_CACHE_VAL(ac_cv_enable_implicit_function_declaration_error, + AC_COMPILE_IFELSE( + [ + AC_LANG_PROGRAM([[]], [[]]) + ],[ + ac_cv_enable_implicit_function_declaration_error=yes + ],[ + ac_cv_enable_implicit_function_declaration_error=no + ])) + CC="$ac_save_cc" + AC_MSG_RESULT($ac_cv_enable_implicit_function_declaration_error) + + if test $ac_cv_enable_implicit_function_declaration_error = yes + then + CFLAGS_NODIST="$CFLAGS_NODIST -Werror=implicit-function-declaration" + fi + # if using gcc on alpha, use -mieee to get (near) full IEEE 754 # support. Without this, treatment of subnormals doesn't follow # the standard. @@ -2787,23 +2807,27 @@ AC_MSG_CHECKING(for --with-system-ffi) AC_ARG_WITH(system_ffi, AS_HELP_STRING([--with-system-ffi], [build _ctypes module using an installed ffi library]),,,) -case "$with_system_ffi" in - "") - case $ac_sys_system in - Darwin) - with_system_ffi="no" - ;; - *) - with_system_ffi="yes" - ;; - esac - ;; - yes|no) - ;; - *) - AC_MSG_ERROR([--with-system-ffi accepts no arguments]) - ;; -esac +if test "$ac_sys_system" = "Darwin" +then + case "$with_system_ffi" in + "") + with_system_ffi="no" + ;; + yes|no) + ;; + *) + AC_MSG_ERROR([--with-system-ffi accepts no arguments]) + ;; + esac + AC_MSG_RESULT($with_system_ffi) +else + AC_MSG_RESULT(yes) + if test "$with_system_ffi" != "" + then + AC_MSG_WARN([--with(out)-system-ffi is ignored on this platform]) + fi + with_system_ffi="yes" +fi if test "$with_system_ffi" = "yes" && test -n "$PKG_CONFIG"; then LIBFFI_INCLUDEDIR="`"$PKG_CONFIG" libffi --cflags-only-I 2>/dev/null | sed -e 's/^-I//;s/ *$//'`" @@ -2812,8 +2836,6 @@ else fi AC_SUBST(LIBFFI_INCLUDEDIR) -AC_MSG_RESULT($with_system_ffi) - # Check for use of the system libmpdec library AC_MSG_CHECKING(for --with-system-libmpdec) AC_ARG_WITH(system_libmpdec, @@ -3930,6 +3952,8 @@ AC_CHECK_MEMBERS([struct passwd.pw_gecos, struct passwd.pw_passwd], [], [], [[ #include <sys/types.h> #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_MSG_CHECKING(for time.h that defines altzone) AC_CACHE_VAL(ac_cv_header_time_altzone,[ |