diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 78 |
1 files changed, 77 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 5a1ed51..c3b52e3 100644 --- a/configure.ac +++ b/configure.ac @@ -3057,9 +3057,22 @@ AC_ARG_WITH(system_libmpdec, AS_HELP_STRING([--with-system-libmpdec], [build _decimal module using an installed libmpdec library, see Doc/library/decimal.rst (default is no)]), [], [with_system_libmpdec="no"]) - AC_MSG_RESULT($with_system_libmpdec) +AS_VAR_IF([with_system_libmpdec], [yes], [ + LIBMPDEC_CFLAGS="" + LIBMPDEC_LDFLAGS="-lmpdec" + LIBMPDEC_INTERNAL= +], [ + LIBMPDEC_CFLAGS="-I\$(srcdir)/Modules/_decimal/libmpdec" + LIBMPDEC_LDFLAGS="-lm \$(LIBMPDEC_A)" + LIBMPDEC_INTERNAL="\$(LIBMPDEC_A)" +]) + +AC_SUBST([LIBMPDEC_CFLAGS]) +AC_SUBST([LIBMPDEC_LDFLAGS]) +AC_SUBST([LIBMPDEC_INTERNAL]) + # Check whether _decimal should use a coroutine-local or thread-local context AC_MSG_CHECKING(for --with-decimal-contextvar) AC_ARG_WITH(decimal_contextvar, @@ -3075,6 +3088,69 @@ fi AC_MSG_RESULT($with_decimal_contextvar) +# Check for libmpdec machine flavor +AC_MSG_CHECKING(for decimal libmpdec machine) +AS_CASE([$ac_sys_system], + [Darwin*], [libmpdec_system=Darwin], + [SunOS*], [libmpdec_system=sunos], + [libmpdec_system=other] +) + +libmpdec_machine=unknown +if test "$libmpdec_system" = Darwin; then + AS_CASE([$MACOSX_DEFAULT_ARCH], + [i386], [libmpdec_machine=ansi32], + [ppc], [libmpdec_machine=ansi32], + [x86_64], [libmpdec_machine=x64], + [ppc64], [libmpdec_machine=ansi64], + [arm64], [libmpdec_machine=ansi64], + [libmpdec_machine=universal] + ) +elif test $ac_cv_sizeof_size_t -eq 8; then + if test "$ac_cv_gcc_asm_for_x64" = yes; then + libmpdec_machine=x64 + elif test "$ac_cv_type___uint128_t" = yes; then + libmpdec_machine=uint128 + else + libmpdec_machine=ansi64 + fi +elif test $ac_cv_sizeof_size_t -eq 4; then + if test "$ac_cv_gcc_asm_for_x87" = yes -a "$libmpdec_system" != sunos; then + AS_CASE([$CC], + [*gcc*], [libmpdec_machine=ppro], + [*clang*], [libmpdec_machine=ppro], + [libmpdec_machine=ansi32] + ) + else + libmpdec_machine=ansi32 + fi +fi +AC_MSG_RESULT([$libmpdec_machine]) + +AS_CASE([$libmpdec_machine], + [x64], [AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -DCONFIG_64=1 -DASM=1"])], + [uint128], [AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -DCONFIG_64=1 -DANSI=1 -DHAVE_UINT128_T=1"])], + [ansi64], [AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -DCONFIG_64=1 -DANSI=1"])], + [ppro], [AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -DCONFIG_32=1 -DANSI=1 -DASM=1 -Wno-unknown-pragmas"])], + [ansi32], [AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -DCONFIG_32=1 -DANSI=1"])], + [ansi-legacy], [AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -DCONFIG_32=1 -DANSI=1 -DLEGACY_COMPILER=1"])], + [universal], [AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -DUNIVERSAL=1"])], + [AC_MSG_ERROR([_decimal: unsupported architecture])] +) + +if test "$have_ipa_pure_const_bug" = yes; then + # Some versions of gcc miscompile inline asm: + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46491 + # https://gcc.gnu.org/ml/gcc/2010-11/msg00366.html + AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -fno-ipa-pure-const"]) +fi + +if test "$have_glibc_memmove_bug" = yes; then + # _FORTIFY_SOURCE wrappers for memmove and bcopy are incorrect: + # https://sourceware.org/ml/libc-alpha/2010-12/msg00009.html + AS_VAR_APPEND([LIBMPDEC_CFLAGS], [" -U_FORTIFY_SOURCE"]) +fi + # Check for support for loadable sqlite extensions AC_MSG_CHECKING(for --enable-loadable-sqlite-extensions) AC_ARG_ENABLE(loadable-sqlite-extensions, |