diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | unix/configure.in | 12 | ||||
| -rw-r--r-- | unix/tcl.m4 | 36 | ||||
| -rw-r--r-- | unix/tclUnixPort.h | 2 | ||||
| -rw-r--r-- | win/configure.in | 246 | ||||
| -rw-r--r-- | win/tcl.m4 | 165 | ||||
| -rw-r--r-- | win/tclWinPort.h | 7 |
7 files changed, 225 insertions, 252 deletions
@@ -1,3 +1,12 @@ +2012-03-30 Jan Nijtmans <nijtmans@users.sf.net> + + * unix/tcl.m4: [Bug 3511806] Compiler checks too early + * unix/configure.in: This change allows to build the cygwin + * unix/tclUnixPort.h: and mingw32 ports of Tcl/Tk to build + * win/tcl.m4: out-of-the-box using a native or cross- + * win/configure.in: compiler. + * win/tclWinPort.h: (autoconf still to be run!) + 2012-03-27 Jan Nijtmans <nijtmans@users.sf.net> * generic/tcl.h: [Bug 3508771] Wrong Tcl_StatBuf used on MinGW diff --git a/unix/configure.in b/unix/configure.in index a30c2b4..b3df242 100644 --- a/unix/configure.in +++ b/unix/configure.in @@ -247,7 +247,9 @@ SC_TIME_HANDLER # lack blkcnt_t. #-------------------------------------------------------------------- +if test "$ac_cv_cygwin" != "yes"; then AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize]) +fi AC_CHECK_TYPES([blkcnt_t]) AC_CHECK_FUNC(fstatfs, , [AC_DEFINE(NO_FSTATFS, 1, [Do we have fstatfs()?])]) @@ -381,7 +383,7 @@ AC_CHECK_FUNC(opendir, , [AC_DEFINE(USE_DIRENT2_H, 1, [May we include <dirent2.h #-------------------------------------------------------------------- AC_CACHE_CHECK([union wait], tcl_cv_union_wait, [ - AC_TRY_LINK([#include <sys/types.h> + AC_TRY_LINK([#include <sys/types.h> #include <sys/wait.h>], [ union wait x; WIFEXITED(x); /* Generates compiler error if WIFEXITED @@ -590,7 +592,7 @@ fi #-------------------------------------------------------------------- # The statements below check for systems where POSIX-style -# non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented. +# non-blocking I/O (O_NONBLOCK) doesn't work or is unimplemented. # On these systems (mostly older ones), use the old BSD-style # FIONBIO approach instead. #-------------------------------------------------------------------- @@ -785,12 +787,12 @@ if test "$FRAMEWORK_BUILD" = "1" ; then PRIVATE_INCLUDE_DIR="${libdir}/PrivateHeaders" HTML_DIR="${libdir}/Resources/Documentation/Reference/Tcl" EXTRA_INSTALL="install-private-headers html-tcl" - EXTRA_BUILD_HTML='@ln -fs contents.htm "$(HTML_INSTALL_DIR)"/TclTOC.html' + EXTRA_BUILD_HTML='@ln -fs contents.htm "$(HTML_INSTALL_DIR)"/TclTOC.html' EXTRA_INSTALL_BINARIES='@echo "Installing Info.plist to $(LIB_INSTALL_DIR)/Resources" && mkdir -p "$(LIB_INSTALL_DIR)/Resources" && $(INSTALL_DATA) Tcl-Info.plist "$(LIB_INSTALL_DIR)/Resources/Info.plist"' EXTRA_INSTALL_BINARIES="$EXTRA_INSTALL_BINARIES"' && echo "Installing license.terms to $(LIB_INSTALL_DIR)/Resources" && $(INSTALL_DATA) "$(TOP_DIR)/license.terms" "$(LIB_INSTALL_DIR)/Resources"' EXTRA_INSTALL_BINARIES="$EXTRA_INSTALL_BINARIES"' && echo "Finalizing Tcl.framework" && rm -f "$(LIB_INSTALL_DIR)/../Current" && ln -s "$(VERSION)" "$(LIB_INSTALL_DIR)/../Current" && for f in "$(LIB_FILE)" tclConfig.sh Resources Headers PrivateHeaders; do rm -f "$(LIB_INSTALL_DIR)/../../$$f" && ln -s "Versions/Current/$$f" "$(LIB_INSTALL_DIR)/../.."; done && f="$(STUB_LIB_FILE)" && rm -f "$(LIB_INSTALL_DIR)/../../$$f" && ln -s "Versions/$(VERSION)/$$f" "$(LIB_INSTALL_DIR)/../.."' - # Don't use AC_DEFINE for the following as the framework version define - # needs to go into the Makefile even when using autoheader, so that we + # Don't use AC_DEFINE for the following as the framework version define + # needs to go into the Makefile even when using autoheader, so that we # can pick up a potential make override of VERSION. Also, don't put this # into CFLAGS as it should not go into tclConfig.sh EXTRA_CC_SWITCHES='-DTCL_FRAMEWORK_VERSION=\"$(VERSION)\"' diff --git a/unix/tcl.m4 b/unix/tcl.m4 index fe9b136..ca77586 100644 --- a/unix/tcl.m4 +++ b/unix/tcl.m4 @@ -1237,7 +1237,7 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ CC_SEARCH_FLAGS="" LD_SEARCH_FLAGS="" ;; - CYGWIN_*) + CYGWIN_*|MINGW32*) SHLIB_CFLAGS="" SHLIB_LD='${CC} -shared' SHLIB_SUFFIX=".dll" @@ -1248,6 +1248,19 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ TCL_NEEDS_EXP_FILE=1 TCL_EXPORT_FILE_SUFFIX='${VERSION}\$\{DBGX\}.dll.a' TCL_SHLIB_LD_EXTRAS='-Wl,--out-implib,$[@].a' + AC_CACHE_CHECK(for Cygwin version of gcc, + ac_cv_cygwin, + AC_TRY_COMPILE([ + #ifdef __CYGWIN__ + #error cygwin + #endif + ], [], + ac_cv_cygwin=no, + ac_cv_cygwin=yes) + ) + if test "$ac_cv_cygwin" = "no"; then + AC_MSG_ERROR([${CC} is not a cygwin compiler.]) + fi ;; dgux*) SHLIB_CFLAGS="-K PIC" @@ -2069,7 +2082,7 @@ dnl # preprocessing tests use only CPPFLAGS. case $system in AIX-*) ;; BSD/OS*) ;; - CYGWIN_*) ;; + CYGWIN_*|MINGW32_*) ;; IRIX*) ;; NetBSD-*|FreeBSD-*|OpenBSD-*) ;; Darwin-*) ;; @@ -2114,6 +2127,25 @@ dnl # preprocessing tests use only CPPFLAGS. TCL_LIBS="${DL_LIBS} ${LIBS} ${MATH_LIBS}"]) AC_SUBST(TCL_LIBS) + # See if the compiler supports casting to a union type. + # This is used to stop gcc from printing a compiler + # warning when initializing a union member. + + AC_CACHE_CHECK(for cast to union support, + tcl_cv_cast_to_union, + AC_TRY_COMPILE([], + [ + union foo { int i; double d; }; + union foo f = (union foo) (int) 0; + ], + tcl_cv_cast_to_union=yes, + tcl_cv_cast_to_union=no) + ) + if test "$tcl_cv_cast_to_union" = "yes"; then + AC_DEFINE(HAVE_CAST_TO_UNION, 1, + [Defined when compiler supports casting to union type.]) + fi + # FIXME: This subst was left in only because the TCL_DL_LIBS # entry in tclConfig.sh uses it. It is not clear why someone # would use TCL_DL_LIBS instead of TCL_LIBS. diff --git a/unix/tclUnixPort.h b/unix/tclUnixPort.h index fef748b..82fc8bb 100644 --- a/unix/tclUnixPort.h +++ b/unix/tclUnixPort.h @@ -76,8 +76,6 @@ typedef off_t Tcl_SeekOffset; #ifdef __CYGWIN__ MODULE_SCOPE int TclOSstat(const char *name, Tcl_StatBuf *statBuf); MODULE_SCOPE int TclOSlstat(const char *name, Tcl_StatBuf *statBuf); -#undef HAVE_STRUCT_STAT_ST_BLOCKS -#undef HAVE_STRUCT_STAT_ST_BLKSIZE #elif defined(HAVE_STRUCT_STAT64) # define TclOSstat stat64 # define TclOSlstat lstat64 diff --git a/win/configure.in b/win/configure.in index 1b8c25a..dd1f745 100644 --- a/win/configure.in +++ b/win/configure.in @@ -67,225 +67,6 @@ AC_CHECK_TOOL(RC, windres) AC_PROG_MAKE_SET #-------------------------------------------------------------------- -# Perform additinal compiler tests. -#-------------------------------------------------------------------- - -dnl Currently AC_CYGWIN is disabled since it invokes AC_CANONICAL_HOST -dnl under autoconf 2.5X. -dnl -dnl AC_CYGWIN - -AC_CACHE_CHECK(for Cygwin version of gcc, - ac_cv_cygwin, -AC_TRY_COMPILE([ -#ifdef __CYGWIN__ -#error cygwin -#endif -], -[], - ac_cv_cygwin=no, - ac_cv_cygwin=yes) -) -if test "$ac_cv_cygwin" = "yes" ; then - AC_MSG_ERROR([Compiling under Cygwin is not currently supported. -A maintainer for the Cygwin port of Tcl/Tk is needed. See the README -file for information about building with Mingw.]) -fi - - -AC_CACHE_CHECK(for SEH support in compiler, - tcl_cv_seh, -AC_TRY_RUN([ -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN - -int main(int argc, char** argv) { - int a, b = 0; - __try { - a = 666 / b; - } - __except (EXCEPTION_EXECUTE_HANDLER) { - return 0; - } - return 1; -} -], - tcl_cv_seh=yes, - tcl_cv_seh=no, - tcl_cv_seh=no) -) -if test "$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 "$tcl_cv_eh_disposition" = "no" ; then - AC_DEFINE(EXCEPTION_DISPOSITION, int, - [Defined when cygwin/mingw does not support EXCEPTION DISPOSITION]) -fi - - -# Check to see if the winsock2.h include file provided contains -# typedefs like LPFN_ACCEPT and friends. -# -AC_CACHE_CHECK(for LPFN_ACCEPT support in winsock2.h, - tcl_cv_lpfn_decls, -AC_TRY_COMPILE([ -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN -#include <winsock2.h> -], -[ - LPFN_ACCEPT accept; -], - tcl_cv_lpfn_decls=yes, - tcl_cv_lpfn_decls=no) -) -if test "$tcl_cv_lpfn_decls" = "no" ; then - AC_DEFINE(HAVE_NO_LPFN_DECLS, 1, - [Defined when cygwin/mingw does not support LPFN_ACCEPT and friends.]) -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 "$tcl_cv_winnt_ignore_void" = "yes" ; then - AC_DEFINE(HAVE_WINNT_IGNORE_VOID, 1, - [Defined when cygwin/mingw ignores VOID define in winnt.h]) -fi - -# Check to see if malloc.h is missing the alloca function -# declaration. This is known to be a problem with Mingw. -# If we compiled without the function declaration, it -# would work but we would get a warning message from gcc. -# If we add the function declaration ourselves, it -# would not compile correctly because the _alloca -# function expects the argument to be passed in a -# register and not on the stack. Instead, we just -# call it from inline asm code. - -AC_CACHE_CHECK(for alloca declaration in malloc.h, - tcl_cv_malloc_decl_alloca, -AC_TRY_COMPILE([ -#include <malloc.h> -], -[ - size_t arg = 0; - void* ptr; - ptr = alloca; - ptr = alloca(arg); -], - tcl_cv_malloc_decl_alloca=yes, - tcl_cv_malloc_decl_alloca=no) -) -if test "$tcl_cv_malloc_decl_alloca" = "no" && - test "${GCC}" = "yes" ; then - AC_DEFINE(HAVE_ALLOCA_GCC_INLINE, 1, - [Defined when gcc should use inline ASM to call alloca.]) -fi - -# See if the compiler supports casting to a union type. -# This is used to stop gcc from printing a compiler -# warning when initializing a union member. - -AC_CACHE_CHECK(for cast to union support, - tcl_cv_cast_to_union, -AC_TRY_COMPILE([], -[ - union foo { int i; double d; }; - union foo f = (union foo) (int) 0; -], - tcl_cv_cast_to_union=yes, - tcl_cv_cast_to_union=no) -) -if test "$tcl_cv_cast_to_union" = "yes"; then - AC_DEFINE(HAVE_CAST_TO_UNION, 1, - [Defined when compiler supports casting to union type.]) -fi - -# See if declarations like FINDEX_INFO_LEVELS are -# missing from winbase.h. This is known to be -# a problem with VC++ 5.2. - -AC_CACHE_CHECK(for FINDEX_INFO_LEVELS in winbase.h, - tcl_cv_findex_enums, -AC_TRY_COMPILE([ -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN -], -[ - FINDEX_INFO_LEVELS i; - FINDEX_SEARCH_OPS j; -], - tcl_cv_findex_enums=yes, - tcl_cv_findex_enums=no) -) -if test "$tcl_cv_findex_enums" = "no"; then - AC_DEFINE(HAVE_NO_FINDEX_ENUMS, 1, - [Defined when enums are missing from winbase.h]) -fi - -# See if MWMO_ALERTABLE is missing from winuser.h -# This is known to be a problem with Mingw. - -AC_CACHE_CHECK(for MWMO_ALERTABLE in winuser.h, - tcl_cv_mwmo_alertable, -AC_TRY_COMPILE([ -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN -], -[ - int i = MWMO_ALERTABLE; -], - tcl_cv_mwmo_alertable=yes, - tcl_cv_mwmo_alertable=no) -) -if test "$tcl_cv_mwmo_alertable" = "no"; then - AC_DEFINE(HAVE_NO_MWMO_ALERTABLE, 1, - [Defined when MWMO_ALERTABLE is missing from winuser.h]) -fi - -#-------------------------------------------------------------------- # Determines the correct binary file extension (.o, .obj, .exe etc.) #-------------------------------------------------------------------- @@ -351,6 +132,33 @@ AC_CHECK_TYPE([uintptr_t], [ fi ]) #-------------------------------------------------------------------- +# Perform additinal compiler tests. +#-------------------------------------------------------------------- + +# See if declarations like FINDEX_INFO_LEVELS are +# missing from winbase.h. This is known to be +# a problem with VC++ 5.2. + +AC_CACHE_CHECK(for FINDEX_INFO_LEVELS in winbase.h, + tcl_cv_findex_enums, +AC_TRY_COMPILE([ +#define WIN32_LEAN_AND_MEAN +#include <windows.h> +#undef WIN32_LEAN_AND_MEAN +], +[ + FINDEX_INFO_LEVELS i; + FINDEX_SEARCH_OPS j; +], + tcl_cv_findex_enums=yes, + tcl_cv_findex_enums=no) +) +if test "$tcl_cv_findex_enums" = "no"; then + AC_DEFINE(HAVE_NO_FINDEX_ENUMS, 1, + [Defined when enums are missing from winbase.h]) +fi + +#-------------------------------------------------------------------- # Set the default compiler switches based on the --enable-symbols # option. This macro depends on C flags, and should be called # after SC_CONFIG_CFLAGS macro is called. @@ -411,6 +411,39 @@ AC_DEFUN([SC_CONFIG_CFLAGS], [ # which requires x86|amd64|ia64. MACHINE="X86" + if test "$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) diff --git a/win/tclWinPort.h b/win/tclWinPort.h index e2cac52..da685ad 100644 --- a/win/tclWinPort.h +++ b/win/tclWinPort.h @@ -371,11 +371,6 @@ typedef DWORD_PTR * PDWORD_PTR; #endif /* __BORLANDC__ */ #ifdef __WATCOMC__ - /* - * OpenWatcom uses a wine derived winsock2.h that is missing the - * LPFN_* typedefs. - */ -# define HAVE_NO_LPFN_DECLS # if !defined(__CHAR_SIGNED__) # error "You must use the -j switch to ensure char is signed." # endif @@ -438,7 +433,7 @@ typedef DWORD_PTR * PDWORD_PTR; /* * Older version of Mingw are known to lack a MWMO_ALERTABLE define. */ -#if defined(HAVE_NO_MWMO_ALERTABLE) +#if !defined(MWMO_ALERTABLE) # define MWMO_ALERTABLE 2 #endif |