diff options
Diffstat (limited to 'unix')
| -rwxr-xr-x | unix/configure | 138 |
1 files changed, 135 insertions, 3 deletions
diff --git a/unix/configure b/unix/configure index 6ea35a4..e4fbf75 100755 --- a/unix/configure +++ b/unix/configure @@ -5133,17 +5133,80 @@ fi CC_SEARCH_FLAGS="" LD_SEARCH_FLAGS="" ;; - CYGWIN_*) + CYGWIN_*|MINGW32*) SHLIB_CFLAGS="" SHLIB_LD='${CC} -shared' SHLIB_SUFFIX=".dll" - DL_OBJS="tclLoadDl.o" + DL_OBJS="tclLoadDl.o tclWinError.o" DL_LIBS="-ldl" CC_SEARCH_FLAGS="" LD_SEARCH_FLAGS="" TCL_NEEDS_EXP_FILE=1 TCL_EXPORT_FILE_SUFFIX='${VERSION}\$\{DBGX\}.dll.a' TCL_SHLIB_LD_EXTRAS='-Wl,--out-implib,$@.a' + echo "$as_me:$LINENO: checking for Cygwin version of gcc" >&5 +echo $ECHO_N "checking for Cygwin version of gcc... $ECHO_C" >&6 +if test "${ac_cv_cygwin+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + + #ifdef __CYGWIN__ + #error cygwin + #endif + +int +main () +{ + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + ac_cv_cygwin=no +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_cygwin=yes +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +echo "$as_me:$LINENO: result: $ac_cv_cygwin" >&5 +echo "${ECHO_T}$ac_cv_cygwin" >&6 + if test "$ac_cv_cygwin" = "no"; then + { { echo "$as_me:$LINENO: error: ${CC} is not a cygwin compiler." >&5 +echo "$as_me: error: ${CC} is not a cygwin compiler." >&2;} + { (exit 1); exit 1; }; } + fi ;; dgux*) SHLIB_CFLAGS="-K PIC" @@ -7084,7 +7147,7 @@ fi case $system in AIX-*) ;; BSD/OS*) ;; - CYGWIN_*) ;; + CYGWIN_*|MINGW32_*) ;; IRIX*) ;; NetBSD-*|FreeBSD-*|OpenBSD-*) ;; Darwin-*) ;; @@ -7155,6 +7218,75 @@ fi + # See if the compiler supports casting to a union type. + # This is used to stop gcc from printing a compiler + # warning when initializing a union member. + + echo "$as_me:$LINENO: checking for cast to union support" >&5 +echo $ECHO_N "checking for cast to union support... $ECHO_C" >&6 +if test "${tcl_cv_cast_to_union+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + +int +main () +{ + + union foo { int i; double d; }; + union foo f = (union foo) (int) 0; + + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$ac_objext' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; }; then + tcl_cv_cast_to_union=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +tcl_cv_cast_to_union=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + +fi +echo "$as_me:$LINENO: result: $tcl_cv_cast_to_union" >&5 +echo "${ECHO_T}$tcl_cv_cast_to_union" >&6 + if test "$tcl_cv_cast_to_union" = "yes"; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_CAST_TO_UNION 1 +_ACEOF + + 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. |