diff options
Diffstat (limited to 'win/tcl.m4')
| -rw-r--r-- | win/tcl.m4 | 165 |
1 files changed, 147 insertions, 18 deletions
@@ -411,6 +411,39 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ # which requires x86|amd64|ia64. MACHINE="X86" + if test "$GCC" = "yes"; then + + AC_CACHE_CHECK(for cross-compile version of gcc, + ac_cv_cross, + AC_TRY_COMPILE([ + #ifdef __WIN32__ + #error cross-compiler + #endif + ], [], + ac_cv_cross=yes, + ac_cv_cross=no) + ) + + if test "$ac_cv_cross" = "yes"; then + case "$do64bit" in + amd64|x64|yes) + CC="x86_64-w64-mingw32-gcc" + LD="x86_64-w64-mingw32-ld" + AR="x86_64-w64-mingw32-ar" + RANLIB="x86_64-w64-mingw32-ranlib" + RC="x86_64-w64-mingw32-windres" + ;; + *) + CC="i686-w64-mingw32-gcc" + LD="i686-w64-mingw32-ld" + AR="i686-w64-mingw32-ar" + RANLIB="i686-w64-mingw32-ranlib" + RC="i686-w64-mingw32-windres" + ;; + esac + fi + fi + # Check for a bug in gcc's windres that causes the # compile to fail when a Windows native path is # passed into windres. The mingw toolchain requires @@ -436,7 +469,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ cyg_conftest= fi - if test "$CYGPATH" = "echo" || test "$ac_cv_cygwin" = "yes"; then + if test "$CYGPATH" = "echo"; then DEPARG='"$<"' else DEPARG='"$(shell $(CYGPATH) $<)"' @@ -444,6 +477,22 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ # set various compiler flags depending on whether we are using gcc or cl + if test "${GCC}" = "yes" ; then + AC_CACHE_CHECK(for mingw32 version of gcc, + ac_cv_win32, + AC_TRY_COMPILE([ + #ifdef __WIN32__ + #error win32 + #endif + ], [], + ac_cv_win32=no, + ac_cv_win32=yes) + ) + if test "$ac_cv_win32" != "yes"; then + AC_MSG_ERROR([${CC} cannot produce win32 executables.]) + fi + fi + AC_MSG_CHECKING([compiler flags]) if test "${GCC}" = "yes" ; then SHLIB_LD="" @@ -465,21 +514,6 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ extra_cflags="-pipe" extra_ldflags="-pipe" - if test "$ac_cv_cygwin" = "yes"; then - touch ac$$.c - if ${CC} -c -mwin32 ac$$.c >/dev/null 2>&1; then - case "$extra_cflags" in - *-mwin32*) ;; - *) extra_cflags="-mwin32 $extra_cflags" ;; - esac - case "$extra_ldflags" in - *-mwin32*) ;; - *) extra_ldflags="-mwin32 $extra_ldflags" ;; - esac - fi - rm -f ac$$.o ac$$.c - fi - if test "${SHARED_BUILD}" = "0" ; then # static AC_MSG_RESULT([using static flags]) @@ -559,9 +593,9 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ ;; *) AC_TRY_COMPILE([ - #ifdef _WIN64 + #ifdef _WIN64 #error 64-bit - #endif + #endif ], [], tcl_win_64bit=no, tcl_win_64bit=yes @@ -792,6 +826,101 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ AC_DEFINE(TCL_CFG_DO64BIT) fi + if test "${GCC}" = "yes" ; then + AC_CACHE_CHECK(for SEH support in compiler, + tcl_cv_seh, + AC_TRY_RUN([ + #define WIN32_LEAN_AND_MEAN + #include <windows.h> + #undef WIN32_LEAN_AND_MEAN + + int main(int argc, char** argv) { + int a, b = 0; + __try { + a = 666 / b; + } + __except (EXCEPTION_EXECUTE_HANDLER) { + return 0; + } + return 1; + } + ], + tcl_cv_seh=yes, + tcl_cv_seh=no, + tcl_cv_seh=no) + ) + if test "$tcl_cv_seh" = "no" ; then + AC_DEFINE(HAVE_NO_SEH, 1, + [Defined when mingw does not support SEH]) + fi + + # + # Check to see if the excpt.h include file provided contains the + # definition for EXCEPTION_DISPOSITION; if not, which is the case + # with Cygwin's version as of 2002-04-10, define it to be int, + # sufficient for getting the current code to work. + # + AC_CACHE_CHECK(for EXCEPTION_DISPOSITION support in include files, + tcl_cv_eh_disposition, + AC_TRY_COMPILE([ +# define WIN32_LEAN_AND_MEAN +# include <windows.h> +# undef WIN32_LEAN_AND_MEAN + ],[ + EXCEPTION_DISPOSITION x; + ], + tcl_cv_eh_disposition=yes, + tcl_cv_eh_disposition=no) + ) + if test "$tcl_cv_eh_disposition" = "no" ; then + AC_DEFINE(EXCEPTION_DISPOSITION, int, + [Defined when cygwin/mingw does not support EXCEPTION DISPOSITION]) + fi + + # Check to see if winnt.h defines CHAR, SHORT, and LONG + # even if VOID has already been #defined. The win32api + # used by mingw and cygwin is known to do this. + + AC_CACHE_CHECK(for winnt.h that ignores VOID define, + tcl_cv_winnt_ignore_void, + AC_TRY_COMPILE([ + #define VOID void + #define WIN32_LEAN_AND_MEAN + #include <windows.h> + #undef WIN32_LEAN_AND_MEAN + ], [ + CHAR c; + SHORT s; + LONG l; + ], + tcl_cv_winnt_ignore_void=yes, + tcl_cv_winnt_ignore_void=no) + ) + if test "$tcl_cv_winnt_ignore_void" = "yes" ; then + AC_DEFINE(HAVE_WINNT_IGNORE_VOID, 1, + [Defined when cygwin/mingw ignores VOID define in winnt.h]) + fi + + # See if the compiler supports casting to a union type. + # This is used to stop gcc from printing a compiler + # warning when initializing a union member. + + AC_CACHE_CHECK(for cast to union support, + tcl_cv_cast_to_union, + AC_TRY_COMPILE([], + [ + union foo { int i; double d; }; + union foo f = (union foo) (int) 0; + ], + tcl_cv_cast_to_union=yes, + tcl_cv_cast_to_union=no) + ) + if test "$tcl_cv_cast_to_union" = "yes"; then + AC_DEFINE(HAVE_CAST_TO_UNION, 1, + [Defined when compiler supports casting to union type.]) + fi + fi + # DL_LIBS is empty, but then we match the Unix version AC_SUBST(DL_LIBS) AC_SUBST(CFLAGS_DEBUG) |