diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 84 |
1 files changed, 82 insertions, 2 deletions
diff --git a/configure.ac b/configure.ac index 9698ea0221..05dc0e69c5 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, 3.4) +m4_define(PYTHON_VERSION, 3.5) AC_PREREQ(2.65) @@ -1039,6 +1039,15 @@ else ASDLGEN="$PYTHON" fi +AC_SUBST(OPCODEHGEN) +AC_CHECK_PROGS(PYTHON, python$PACKAGE_VERSION python3 python, not-found) +if test "$PYTHON" = not-found; then + OPCODEHGEN="@echo python: $PYTHON! cannot run Tools/scripts/generate_opcode_h.py" +else + OPCODEHGEN="$PYTHON" +fi + + case $MACHDEP in bsdos*|hp*|HP*) @@ -1229,6 +1238,52 @@ yes) CFLAGS_NODIST="$CFLAGS_NODIST -Werror=declaration-after-statement" fi + AC_MSG_CHECKING(if we can turn on $CC mixed sign comparison warning) + ac_save_cc="$CC" + CC="$CC -Wsign-compare" + save_CFLAGS="$CFLAGS" + AC_CACHE_VAL(ac_cv_enable_sign_compare_warning, + AC_COMPILE_IFELSE( + [ + AC_LANG_PROGRAM([[]], [[]]) + ],[ + ac_cv_enable_sign_compare_warning=yes + ],[ + ac_cv_enable_sign_compare_warning=no + ])) + CFLAGS="$save_CFLAGS" + CC="$ac_save_cc" + AC_MSG_RESULT($ac_cv_enable_sign_compare_warning) + + if test $ac_cv_enable_sign_compare_warning = yes + then + BASECFLAGS="$BASECFLAGS -Wsign-compare" + fi + + AC_MSG_CHECKING(if we can turn on $CC unreachable code warning) + ac_save_cc="$CC" + CC="$CC -Wunreachable-code" + save_CFLAGS="$CFLAGS" + AC_CACHE_VAL(ac_cv_enable_unreachable_code_warning, + AC_COMPILE_IFELSE( + [ + AC_LANG_PROGRAM([[]], [[]]) + ],[ + ac_cv_enable_unreachable_code_warning=yes + ],[ + ac_cv_enable_unreachable_code_warning=no + ])) + CFLAGS="$save_CFLAGS" + CC="$ac_save_cc" + AC_MSG_RESULT($ac_cv_enable_unreachable_code_warning) + + # Don't enable unreachable code warning in debug mode, since it usually + # results in non-standard code paths. + if test $ac_cv_enable_unreachable_code_warning = yes && test "$Py_DEBUG" != "true" + then + BASECFLAGS="$BASECFLAGS -Wunreachable-code" + fi + # if using gcc on alpha, use -mieee to get (near) full IEEE 754 # support. Without this, treatment of subnormals doesn't follow # the standard. @@ -2322,6 +2377,17 @@ esac ], [AC_MSG_RESULT(default)]) +AC_MSG_CHECKING(for --with-address-sanitizer) +AC_ARG_WITH(address_sanitizer, + AS_HELP_STRING([--with-address-sanitizer], + [enable AddressSanitizer]), +[ +AC_MSG_RESULT($withval) +BASECFLAGS="-fsanitize=address -fno-omit-frame-pointer $BASECFLAGS" +LDFLAGS="-fsanitize=address $LDFLAGS" +], +[AC_MSG_RESULT(no)]) + # Most SVR4 platforms (e.g. Solaris) need -lsocket and -lnsl. AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4 AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets @@ -3253,6 +3319,7 @@ AC_CHECK_FUNCS(gettimeofday, AC_CHECK_FUNCS(clock_gettime, [], [ AC_CHECK_LIB(rt, clock_gettime, [ + LIBS="$LIBS -lrt" AC_DEFINE(HAVE_CLOCK_GETTIME, 1) AC_DEFINE(TIMEMODULE_LIB, [rt], [Library needed by timemodule.c: librt may be needed for clock_gettime()]) @@ -3807,6 +3874,19 @@ then [Define if we can use gcc inline assembler to get and set x87 control word]) fi +AC_MSG_CHECKING(whether we can use gcc inline assembler to get and set mc68881 fpcr) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[ + unsigned int fpcr; + __asm__ __volatile__ ("fmove.l %%fpcr,%0" : "=g" (fpcr)); + __asm__ __volatile__ ("fmove.l %0,%%fpcr" : : "g" (fpcr)); +]])],[have_gcc_asm_for_mc68881=yes],[have_gcc_asm_for_mc68881=no]) +AC_MSG_RESULT($have_gcc_asm_for_mc68881) +if test "$have_gcc_asm_for_mc68881" = yes +then + AC_DEFINE(HAVE_GCC_ASM_FOR_MC68881, 1, + [Define if we can use gcc inline assembler to get and set mc68881 fpcr]) +fi + # Detect whether system arithmetic is subject to x87-style double # rounding issues. The result of this test has little meaning on non # IEEE 754 platforms. On IEEE 754, test should return 1 if rounding @@ -4705,7 +4785,7 @@ do done AC_SUBST(SRCDIRS) -SRCDIRS="Parser Grammar Objects Python Modules Mac" +SRCDIRS="Parser Grammar Objects Python Modules Mac Programs" AC_MSG_CHECKING(for build directories) for dir in $SRCDIRS; do if test ! -d $dir; then |