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-rwxr-xr-xwin/configure31
-rw-r--r--win/tcl.m49
2 files changed, 27 insertions, 13 deletions
diff --git a/win/configure b/win/configure
index 9c97ccc..65ed599 100755
--- a/win/configure
+++ b/win/configure
@@ -1243,8 +1243,15 @@ echo "configure:1171: checking compiler flags" >&5
# Specify linker flags depending on the type of app being
# built -- Console vs. Window.
+ #
+ # We need to pass -e _WinMain@16 so that ld will use
+ # WinMain() instead of main() as the entry point. We can't
+ # use autoconf to check for this case since it would need
+ # to run an executable and that does not work when
+ # cross compiling. Remove this -e workaround once we
+ # require a gcc that does not have this bug.
LDFLAGS_CONSOLE="-mconsole ${extra_ldflags}"
- LDFLAGS_WINDOW="-mwindows ${extra_ldflags}"
+ LDFLAGS_WINDOW="-mwindows -e _WinMain@16 ${extra_ldflags}"
else
SHLIB_LD="link -dll -nologo -incremental:no"
SHLIB_LD_LIBS="user32.lib advapi32.lib"
@@ -1315,7 +1322,7 @@ echo "configure:1171: checking compiler flags" >&5
echo $ac_n "checking for build with symbols""... $ac_c" 1>&6
-echo "configure:1319: checking for build with symbols" >&5
+echo "configure:1326: checking for build with symbols" >&5
# Check whether --enable-symbols or --disable-symbols was given.
if test "${enable_symbols+set}" = set; then
enableval="$enable_symbols"
@@ -1345,7 +1352,7 @@ TCL_DBGX=${DBGX}
#--------------------------------------------------------------------
echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
-echo "configure:1349: checking how to run the C preprocessor" >&5
+echo "configure:1356: checking how to run the C preprocessor" >&5
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
@@ -1360,13 +1367,13 @@ else
# On the NeXT, cc -E runs the code through the compiler's parser,
# not just through cpp.
cat > conftest.$ac_ext <<EOF
-#line 1364 "configure"
+#line 1371 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1370: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1377: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -1377,13 +1384,13 @@ else
rm -rf conftest*
CPP="${CC-cc} -E -traditional-cpp"
cat > conftest.$ac_ext <<EOF
-#line 1381 "configure"
+#line 1388 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1387: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1394: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -1394,13 +1401,13 @@ else
rm -rf conftest*
CPP="${CC-cc} -nologo -E"
cat > conftest.$ac_ext <<EOF
-#line 1398 "configure"
+#line 1405 "configure"
#include "confdefs.h"
#include <assert.h>
Syntax Error
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1404: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1411: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
:
@@ -1426,17 +1433,17 @@ echo "$ac_t""$CPP" 1>&6
ac_safe=`echo "errno.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for errno.h""... $ac_c" 1>&6
-echo "configure:1430: checking for errno.h" >&5
+echo "configure:1437: checking for errno.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
cat > conftest.$ac_ext <<EOF
-#line 1435 "configure"
+#line 1442 "configure"
#include "confdefs.h"
#include <errno.h>
EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
-{ (eval echo configure:1440: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
+{ (eval echo configure:1447: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"`
if test -z "$ac_err"; then
rm -rf conftest*
diff --git a/win/tcl.m4 b/win/tcl.m4
index 40ba286..add1a55 100644
--- a/win/tcl.m4
+++ b/win/tcl.m4
@@ -415,8 +415,15 @@ AC_DEFUN(SC_CONFIG_CFLAGS, [
# Specify linker flags depending on the type of app being
# built -- Console vs. Window.
+ #
+ # We need to pass -e _WinMain@16 so that ld will use
+ # WinMain() instead of main() as the entry point. We can't
+ # use autoconf to check for this case since it would need
+ # to run an executable and that does not work when
+ # cross compiling. Remove this -e workaround once we
+ # require a gcc that does not have this bug.
LDFLAGS_CONSOLE="-mconsole ${extra_ldflags}"
- LDFLAGS_WINDOW="-mwindows ${extra_ldflags}"
+ LDFLAGS_WINDOW="-mwindows -e _WinMain@16 ${extra_ldflags}"
else
SHLIB_LD="link -dll -nologo -incremental:no"
SHLIB_LD_LIBS="user32.lib advapi32.lib"