diff options
Diffstat (limited to 'win/configure')
| -rwxr-xr-x | win/configure | 724 |
1 files changed, 380 insertions, 344 deletions
diff --git a/win/configure b/win/configure index a649b9f..66ae532 100755 --- a/win/configure +++ b/win/configure @@ -937,16 +937,40 @@ fi #-------------------------------------------------------------------- -# Perform additinal compiler tests. +# Determines the correct binary file extension (.o, .obj, .exe etc.) #-------------------------------------------------------------------- +echo $ac_n "checking for object suffix""... $ac_c" 1>&6 +echo "configure:945: checking for object suffix" >&5 +if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + rm -f conftest* +echo 'int i = 1;' > conftest.$ac_ext +if { (eval echo configure:951: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + for ac_file in conftest.*; do + case $ac_file in + *.c) ;; + *) ac_cv_objext=`echo $ac_file | sed -e s/conftest.//` ;; + esac + done +else + { echo "configure: error: installation or configuration problem; compiler does not work" 1>&2; exit 1; } +fi +rm -f conftest* +fi + +echo "$ac_t""$ac_cv_objext" 1>&6 +OBJEXT=$ac_cv_objext +ac_objext=$ac_cv_objext + echo $ac_n "checking for Cygwin environment""... $ac_c" 1>&6 -echo "configure:945: checking for Cygwin environment" >&5 +echo "configure:969: checking for Cygwin environment" >&5 if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 950 "configure" +#line 974 "configure" #include "confdefs.h" int main() { @@ -957,7 +981,7 @@ int main() { return __CYGWIN__; ; return 0; } EOF -if { (eval echo configure:961: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:985: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_cygwin=yes else @@ -973,331 +997,20 @@ fi echo "$ac_t""$ac_cv_cygwin" 1>&6 CYGWIN= test "$ac_cv_cygwin" = yes && CYGWIN=yes - -echo $ac_n "checking for SEH support in compiler""... $ac_c" 1>&6 -echo "configure:979: checking for SEH support in compiler" >&5 -if eval "test \"`echo '$''{'tcl_cv_seh'+set}'`\" = set"; then - echo $ac_n "(cached) $ac_c" 1>&6 -else - if test "$cross_compiling" = yes; then - tcl_cv_seh=no -else - cat > conftest.$ac_ext <<EOF -#line 987 "configure" -#include "confdefs.h" - -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN - -int main(int argc, char** argv) { - int a, b = 0; - __try { - a = 666 / b; - } - __except (EXCEPTION_EXECUTE_HANDLER) { - return 0; - } - return 1; -} - -EOF -if { (eval echo configure:1006: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null -then - tcl_cv_seh=yes -else - echo "configure: failed program was:" >&5 - cat conftest.$ac_ext >&5 - rm -fr conftest* - tcl_cv_seh=no -fi -rm -fr conftest* -fi - - -fi - -echo "$ac_t""$tcl_cv_seh" 1>&6 -if test "$tcl_cv_seh" = "no" ; then - cat >> confdefs.h <<\EOF -#define HAVE_NO_SEH 1 -EOF - -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. -# -echo $ac_n "checking for EXCEPTION_DISPOSITION support in include files""... $ac_c" 1>&6 -echo "configure:1036: checking for EXCEPTION_DISPOSITION support in include files" >&5 -if eval "test \"`echo '$''{'tcl_cv_eh_disposition'+set}'`\" = set"; then - echo $ac_n "(cached) $ac_c" 1>&6 -else - cat > conftest.$ac_ext <<EOF -#line 1041 "configure" -#include "confdefs.h" - -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN - -int main() { - - EXCEPTION_DISPOSITION x; - -; return 0; } -EOF -if { (eval echo configure:1054: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then - rm -rf conftest* - tcl_cv_eh_disposition=yes -else - echo "configure: failed program was:" >&5 - cat conftest.$ac_ext >&5 - rm -rf conftest* - tcl_cv_eh_disposition=no -fi -rm -f conftest* - -fi - -echo "$ac_t""$tcl_cv_eh_disposition" 1>&6 -if test "$tcl_cv_eh_disposition" = "no" ; then - cat >> confdefs.h <<\EOF -#define EXCEPTION_DISPOSITION int -EOF - -fi - - -# Check to see if the winsock2.h include file provided contains -# typedefs like LPFN_ACCEPT and friends. -# -echo $ac_n "checking for LPFN_ACCEPT support in winsock2.h""... $ac_c" 1>&6 -echo "configure:1080: checking for LPFN_ACCEPT support in winsock2.h" >&5 -if eval "test \"`echo '$''{'tcl_cv_lpfn_decls'+set}'`\" = set"; then - echo $ac_n "(cached) $ac_c" 1>&6 -else - cat > conftest.$ac_ext <<EOF -#line 1085 "configure" -#include "confdefs.h" - -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN -#include <winsock2.h> - -int main() { - - LPFN_ACCEPT accept; - -; return 0; } -EOF -if { (eval echo configure:1099: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then - rm -rf conftest* - tcl_cv_lpfn_decls=yes -else - echo "configure: failed program was:" >&5 - cat conftest.$ac_ext >&5 - rm -rf conftest* - tcl_cv_lpfn_decls=no -fi -rm -f conftest* - -fi - -echo "$ac_t""$tcl_cv_lpfn_decls" 1>&6 -if test "$tcl_cv_lpfn_decls" = "no" ; then - cat >> confdefs.h <<\EOF -#define HAVE_NO_LPFN_DECLS 1 -EOF - -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. - -echo $ac_n "checking for winnt.h that ignores VOID define""... $ac_c" 1>&6 -echo "configure:1125: checking for winnt.h that ignores VOID define" >&5 -if eval "test \"`echo '$''{'tcl_cv_winnt_ignore_void'+set}'`\" = set"; then - echo $ac_n "(cached) $ac_c" 1>&6 -else - cat > conftest.$ac_ext <<EOF -#line 1130 "configure" -#include "confdefs.h" - -#define VOID void -#define WIN32_LEAN_AND_MEAN -#include <windows.h> -#undef WIN32_LEAN_AND_MEAN - -int main() { - - CHAR c; - SHORT s; - LONG l; - -; return 0; } -EOF -if { (eval echo configure:1146: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then - rm -rf conftest* - tcl_cv_winnt_ignore_void=yes -else - echo "configure: failed program was:" >&5 - cat conftest.$ac_ext >&5 - rm -rf conftest* - tcl_cv_winnt_ignore_void=no -fi -rm -f conftest* - -fi - -echo "$ac_t""$tcl_cv_winnt_ignore_void" 1>&6 -if test "$tcl_cv_winnt_ignore_void" = "yes" ; then - cat >> confdefs.h <<\EOF -#define HAVE_WINNT_IGNORE_VOID 1 -EOF - -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. - -echo $ac_n "checking for alloca declaration in malloc.h""... $ac_c" 1>&6 -echo "configure:1178: checking for alloca declaration in malloc.h" >&5 -if eval "test \"`echo '$''{'tcl_cv_malloc_decl_alloca'+set}'`\" = set"; then - echo $ac_n "(cached) $ac_c" 1>&6 -else - cat > conftest.$ac_ext <<EOF -#line 1183 "configure" -#include "confdefs.h" - -#include <malloc.h> - -int main() { - - size_t arg = 0; - void* ptr; - ptr = alloca; - ptr = alloca(arg); - -; return 0; } -EOF -if { (eval echo configure:1197: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then - rm -rf conftest* - tcl_cv_malloc_decl_alloca=yes -else - echo "configure: failed program was:" >&5 - cat conftest.$ac_ext >&5 - rm -rf conftest* - tcl_cv_malloc_decl_alloca=no -fi -rm -f conftest* - -fi - -echo "$ac_t""$tcl_cv_malloc_decl_alloca" 1>&6 -if test "$tcl_cv_malloc_decl_alloca" = "no" && - test "${GCC}" = "yes" ; then - cat >> confdefs.h <<\EOF -#define HAVE_ALLOCA_GCC_INLINE 1 -EOF - -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 $ac_n "checking for cast to union support""... $ac_c" 1>&6 -echo "configure:1224: checking for cast to union support" >&5 -if eval "test \"`echo '$''{'tcl_cv_cast_to_union'+set}'`\" = set"; then - echo $ac_n "(cached) $ac_c" 1>&6 -else - cat > conftest.$ac_ext <<EOF -#line 1229 "configure" -#include "confdefs.h" - -int main() { - - union foo { int i; double d; }; - union foo f = (union foo) (int) 0; - -; return 0; } -EOF -if { (eval echo configure:1239: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then - rm -rf conftest* - tcl_cv_cast_to_union=yes -else - echo "configure: failed program was:" >&5 - cat conftest.$ac_ext >&5 - rm -rf conftest* - tcl_cv_cast_to_union=no -fi -rm -f conftest* - -fi - -echo "$ac_t""$tcl_cv_cast_to_union" 1>&6 -if test "$tcl_cv_cast_to_union" = "yes"; then - cat >> confdefs.h <<\EOF -#define HAVE_CAST_TO_UNION 1 -EOF - -fi - -#-------------------------------------------------------------------- -# Determines the correct binary file extension (.o, .obj, .exe etc.) -#-------------------------------------------------------------------- - -echo $ac_n "checking for object suffix""... $ac_c" 1>&6 -echo "configure:1265: checking for object suffix" >&5 -if eval "test \"`echo '$''{'ac_cv_objext'+set}'`\" = set"; then - echo $ac_n "(cached) $ac_c" 1>&6 -else - rm -f conftest* -echo 'int i = 1;' > conftest.$ac_ext -if { (eval echo configure:1271: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then - for ac_file in conftest.*; do - case $ac_file in - *.c) ;; - *) ac_cv_objext=`echo $ac_file | sed -e s/conftest.//` ;; - esac - done -else - { echo "configure: error: installation or configuration problem; compiler does not work" 1>&2; exit 1; } -fi -rm -f conftest* -fi - -echo "$ac_t""$ac_cv_objext" 1>&6 -OBJEXT=$ac_cv_objext -ac_objext=$ac_cv_objext - echo $ac_n "checking for mingw32 environment""... $ac_c" 1>&6 -echo "configure:1289: checking for mingw32 environment" >&5 +echo "configure:1002: checking for mingw32 environment" >&5 if eval "test \"`echo '$''{'ac_cv_mingw32'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1294 "configure" +#line 1007 "configure" #include "confdefs.h" int main() { return __MINGW32__; ; return 0; } EOF -if { (eval echo configure:1301: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1014: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_mingw32=yes else @@ -1316,7 +1029,7 @@ test "$ac_cv_mingw32" = yes && MINGW32=yes echo $ac_n "checking for executable suffix""... $ac_c" 1>&6 -echo "configure:1320: checking for executable suffix" >&5 +echo "configure:1033: checking for executable suffix" >&5 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1326,7 +1039,7 @@ else rm -f conftest* echo 'int main () { return 0; }' > conftest.$ac_ext ac_cv_exeext= - if { (eval echo configure:1330: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then + if { (eval echo configure:1043: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; }; then for file in conftest.*; do case $file in *.c | *.o | *.obj) ;; @@ -1353,7 +1066,7 @@ ac_exeext=$EXEEXT echo $ac_n "checking for building with threads""... $ac_c" 1>&6 -echo "configure:1357: checking for building with threads" >&5 +echo "configure:1070: checking for building with threads" >&5 # Check whether --enable-threads or --disable-threads was given. if test "${enable_threads+set}" = set; then enableval="$enable_threads" @@ -1390,7 +1103,7 @@ EOF echo $ac_n "checking how to build libraries""... $ac_c" 1>&6 -echo "configure:1394: checking how to build libraries" >&5 +echo "configure:1107: checking how to build libraries" >&5 # Check whether --enable-shared or --disable-shared was given. if test "${enable_shared+set}" = set; then enableval="$enable_shared" @@ -1431,7 +1144,7 @@ EOF # Step 0: Enable 64 bit support? echo $ac_n "checking if 64bit support is requested""... $ac_c" 1>&6 -echo "configure:1435: checking if 64bit support is requested" >&5 +echo "configure:1148: checking if 64bit support is requested" >&5 # Check whether --enable-64bit or --disable-64bit was given. if test "${enable_64bit+set}" = set; then enableval="$enable_64bit" @@ -1445,7 +1158,7 @@ fi # Cross-compiling options for Windows/CE builds echo $ac_n "checking if Windows/CE build is requested""... $ac_c" 1>&6 -echo "configure:1449: checking if Windows/CE build is requested" >&5 +echo "configure:1162: checking if Windows/CE build is requested" >&5 # Check whether --enable-wince or --disable-wince was given. if test "${enable_wince+set}" = set; then enableval="$enable_wince" @@ -1457,7 +1170,7 @@ fi echo "$ac_t""$doWince" 1>&6 echo $ac_n "checking for Windows/CE celib directory""... $ac_c" 1>&6 -echo "configure:1461: checking for Windows/CE celib directory" >&5 +echo "configure:1174: checking for Windows/CE celib directory" >&5 # Check whether --with-celib or --without-celib was given. if test "${with_celib+set}" = set; then withval="$with_celib" @@ -1474,7 +1187,7 @@ fi # Extract the first word of "cygpath", so it can be a program name with args. set dummy cygpath; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 -echo "configure:1478: checking for $ac_word" >&5 +echo "configure:1191: checking for $ac_word" >&5 if eval "test \"`echo '$''{'ac_cv_prog_CYGPATH'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1522,9 +1235,9 @@ fi echo "END" >> $conftest echo $ac_n "checking for Windows native path bug in windres""... $ac_c" 1>&6 -echo "configure:1526: checking for Windows native path bug in windres" >&5 +echo "configure:1239: checking for Windows native path bug in windres" >&5 cyg_conftest=`$CYGPATH $conftest` - if { ac_try='$RC -o conftest.res.o $cyg_conftest'; { (eval echo configure:1528: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } ; then + if { ac_try='$RC -o conftest.res.o $cyg_conftest'; { (eval echo configure:1241: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } ; then echo "$ac_t""no" 1>&6 else echo "$ac_t""yes" 1>&6 @@ -1542,8 +1255,40 @@ echo "configure:1526: checking for Windows native path bug in windres" >&5 # set various compiler flags depending on whether we are using gcc or cl + echo $ac_n "checking for Cygwin version of gcc""... $ac_c" 1>&6 +echo "configure:1260: checking for Cygwin version of gcc" >&5 +if eval "test \"`echo '$''{'ac_cv_cygwin'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 1265 "configure" +#include "confdefs.h" + + #ifdef __CYGWIN__ + #error cygwin + #endif + +int main() { + +; return 0; } +EOF +if { (eval echo configure:1276: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + ac_cv_cygwin=no +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + ac_cv_cygwin=yes +fi +rm -f conftest* + +fi + +echo "$ac_t""$ac_cv_cygwin" 1>&6 + echo $ac_n "checking compiler flags""... $ac_c" 1>&6 -echo "configure:1547: checking compiler flags" >&5 +echo "configure:1292: checking compiler flags" >&5 if test "${GCC}" = "yes" ; then SHLIB_LD="" SHLIB_LD_LIBS="" @@ -1578,8 +1323,8 @@ echo "configure:1547: checking compiler flags" >&5 AR="i686-w64-mingw32-ar" RANLIB="i686-w64-mingw32-ranlib" RC="i686-w64-mingw32-windres" - ;; - esac + ;; + esac fi if test "${SHARED_BUILD}" = "0" ; then @@ -1661,7 +1406,7 @@ echo "configure:1547: checking compiler flags" >&5 ;; *) cat > conftest.$ac_ext <<EOF -#line 1665 "configure" +#line 1410 "configure" #include "confdefs.h" #ifdef _WIN64 @@ -1672,7 +1417,7 @@ int main() { ; return 0; } EOF -if { (eval echo configure:1676: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1421: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* tcl_win_64bit=no else @@ -1910,6 +1655,195 @@ EOF fi fi + if test "${GCC}" = "yes" ; then + echo $ac_n "checking for SEH support in compiler""... $ac_c" 1>&6 +echo "configure:1661: checking for SEH support in compiler" >&5 +if eval "test \"`echo '$''{'tcl_cv_seh'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test "$cross_compiling" = yes; then + tcl_cv_seh=no +else + cat > conftest.$ac_ext <<EOF +#line 1669 "configure" +#include "confdefs.h" + + #define WIN32_LEAN_AND_MEAN + #include <windows.h> + #undef WIN32_LEAN_AND_MEAN + + int main(int argc, char** argv) { + int a, b = 0; + __try { + a = 666 / b; + } + __except (EXCEPTION_EXECUTE_HANDLER) { + return 0; + } + return 1; + } + +EOF +if { (eval echo configure:1688: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/null +then + tcl_cv_seh=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -fr conftest* + tcl_cv_seh=no +fi +rm -fr conftest* +fi + + +fi + +echo "$ac_t""$tcl_cv_seh" 1>&6 + if test "$tcl_cv_seh" = "no" ; then + cat >> confdefs.h <<\EOF +#define HAVE_NO_SEH 1 +EOF + + 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. + # + echo $ac_n "checking for EXCEPTION_DISPOSITION support in include files""... $ac_c" 1>&6 +echo "configure:1718: checking for EXCEPTION_DISPOSITION support in include files" >&5 +if eval "test \"`echo '$''{'tcl_cv_eh_disposition'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 1723 "configure" +#include "confdefs.h" + + #define WIN32_LEAN_AND_MEAN + #include <windows.h> + #undef WIN32_LEAN_AND_MEAN + +int main() { + + EXCEPTION_DISPOSITION x; + +; return 0; } +EOF +if { (eval echo configure:1736: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + tcl_cv_eh_disposition=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + tcl_cv_eh_disposition=no +fi +rm -f conftest* + +fi + +echo "$ac_t""$tcl_cv_eh_disposition" 1>&6 + if test "$tcl_cv_eh_disposition" = "no" ; then + cat >> confdefs.h <<\EOF +#define EXCEPTION_DISPOSITION int +EOF + + 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. + + echo $ac_n "checking for winnt.h that ignores VOID define""... $ac_c" 1>&6 +echo "configure:1763: checking for winnt.h that ignores VOID define" >&5 +if eval "test \"`echo '$''{'tcl_cv_winnt_ignore_void'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 1768 "configure" +#include "confdefs.h" + + #define VOID void + #define WIN32_LEAN_AND_MEAN + #include <windows.h> + #undef WIN32_LEAN_AND_MEAN + +int main() { + + CHAR c; + SHORT s; + LONG l; + +; return 0; } +EOF +if { (eval echo configure:1784: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + tcl_cv_winnt_ignore_void=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + tcl_cv_winnt_ignore_void=no +fi +rm -f conftest* + +fi + +echo "$ac_t""$tcl_cv_winnt_ignore_void" 1>&6 + if test "$tcl_cv_winnt_ignore_void" = "yes" ; then + cat >> confdefs.h <<\EOF +#define HAVE_WINNT_IGNORE_VOID 1 +EOF + + 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 $ac_n "checking for cast to union support""... $ac_c" 1>&6 +echo "configure:1810: checking for cast to union support" >&5 +if eval "test \"`echo '$''{'tcl_cv_cast_to_union'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 1815 "configure" +#include "confdefs.h" + +int main() { + + union foo { int i; double d; }; + union foo f = (union foo) (int) 0; + +; return 0; } +EOF +if { (eval echo configure:1825: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + tcl_cv_cast_to_union=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + tcl_cv_cast_to_union=no +fi +rm -f conftest* + +fi + +echo "$ac_t""$tcl_cv_cast_to_union" 1>&6 + if test "$tcl_cv_cast_to_union" = "yes"; then + cat >> confdefs.h <<\EOF +#define HAVE_CAST_TO_UNION 1 +EOF + + fi + fi + + # DL_LIBS is empty, but then we match the Unix version @@ -1918,6 +1852,108 @@ EOF #-------------------------------------------------------------------- +# Perform additinal compiler tests. +#-------------------------------------------------------------------- + +if test "${GCC}" = "yes" ; then +# Check to see if the winsock2.h include file provided contains +# typedefs like LPFN_ACCEPT and friends. +# +echo $ac_n "checking for LPFN_ACCEPT support in winsock2.h""... $ac_c" 1>&6 +echo "configure:1864: checking for LPFN_ACCEPT support in winsock2.h" >&5 +if eval "test \"`echo '$''{'tcl_cv_lpfn_decls'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 1869 "configure" +#include "confdefs.h" + +#define WIN32_LEAN_AND_MEAN +#include <windows.h> +#undef WIN32_LEAN_AND_MEAN +#include <winsock2.h> + +int main() { + + LPFN_ACCEPT accept; + +; return 0; } +EOF +if { (eval echo configure:1883: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + tcl_cv_lpfn_decls=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + tcl_cv_lpfn_decls=no +fi +rm -f conftest* + +fi + +echo "$ac_t""$tcl_cv_lpfn_decls" 1>&6 +if test "$tcl_cv_lpfn_decls" = "no" ; then + cat >> confdefs.h <<\EOF +#define HAVE_NO_LPFN_DECLS 1 +EOF + +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. + +echo $ac_n "checking for alloca declaration in malloc.h""... $ac_c" 1>&6 +echo "configure:1915: checking for alloca declaration in malloc.h" >&5 +if eval "test \"`echo '$''{'tcl_cv_malloc_decl_alloca'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.$ac_ext <<EOF +#line 1920 "configure" +#include "confdefs.h" + +#include <malloc.h> + +int main() { + + size_t arg = 0; + void* ptr; + ptr = alloca; + ptr = alloca(arg); + +; return 0; } +EOF +if { (eval echo configure:1934: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then + rm -rf conftest* + tcl_cv_malloc_decl_alloca=yes +else + echo "configure: failed program was:" >&5 + cat conftest.$ac_ext >&5 + rm -rf conftest* + tcl_cv_malloc_decl_alloca=no +fi +rm -f conftest* + +fi + +echo "$ac_t""$tcl_cv_malloc_decl_alloca" 1>&6 +if test "$tcl_cv_malloc_decl_alloca" = "no" && + test "${GCC}" = "yes" ; then + cat >> confdefs.h <<\EOF +#define HAVE_ALLOCA_GCC_INLINE 1 +EOF + +fi +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. @@ -1925,7 +1961,7 @@ EOF echo $ac_n "checking for build with symbols""... $ac_c" 1>&6 -echo "configure:1929: checking for build with symbols" >&5 +echo "configure:1965: checking for build with symbols" >&5 # Check whether --enable-symbols or --disable-symbols was given. if test "${enable_symbols+set}" = set; then enableval="$enable_symbols" @@ -1985,7 +2021,7 @@ TCL_DBGX=${DBGX} #-------------------------------------------------------------------- echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6 -echo "configure:1989: checking how to run the C preprocessor" >&5 +echo "configure:2025: checking how to run the C preprocessor" >&5 # On Suns, sometimes $CPP names a directory. if test -n "$CPP" && test -d "$CPP"; then CPP= @@ -2000,13 +2036,13 @@ else # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. cat > conftest.$ac_ext <<EOF -#line 2004 "configure" +#line 2040 "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:2010: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:2046: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then : @@ -2017,13 +2053,13 @@ else rm -rf conftest* CPP="${CC-cc} -E -traditional-cpp" cat > conftest.$ac_ext <<EOF -#line 2021 "configure" +#line 2057 "configure" #include "confdefs.h" #include <assert.h> Syntax Error EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:2027: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:2063: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then : @@ -2034,13 +2070,13 @@ else rm -rf conftest* CPP="${CC-cc} -nologo -E" cat > conftest.$ac_ext <<EOF -#line 2038 "configure" +#line 2074 "configure" #include "confdefs.h" #include <assert.h> Syntax Error EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:2044: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:2080: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` if test -z "$ac_err"; then : @@ -2066,17 +2102,17 @@ echo "$ac_t""$CPP" 1>&6 ac_safe=`echo "errno.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for errno.h""... $ac_c" 1>&6 -echo "configure:2070: checking for errno.h" >&5 +echo "configure:2106: checking for errno.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 2075 "configure" +#line 2111 "configure" #include "confdefs.h" #include <errno.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" -{ (eval echo configure:2080: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } +{ (eval echo configure:2116: \"$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* |