From 238ecedea78f01ca7ae18829847ddef2f656218d Mon Sep 17 00:00:00 2001 From: Michael Wetherell Date: Sun, 27 Feb 2005 23:18:33 +0000 Subject: [PATCH] Detect SIZEOF_WCHAR_T when cross-compiling git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@32434 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- configure | 531 +++++++++++++++++++++++++++++++++++++++++++++++---- configure.in | 67 ++----- 2 files changed, 513 insertions(+), 85 deletions(-) diff --git a/configure b/configure index cfcf0558cc..29a231f37a 100755 --- a/configure +++ b/configure @@ -19081,25 +19081,364 @@ _ACEOF esac +echo "$as_me:$LINENO: checking for wchar_t" >&5 +echo $ECHO_N "checking for wchar_t... $ECHO_C" >&6 +if test "${ac_cv_type_wchar_t+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. */ + + /* DJGPP only has fake wchar_t: */ + #ifdef __DJGPP__ + # error "fake wchar_t" + #endif + #ifdef HAVE_WCHAR_H + # ifdef __CYGWIN__ + # include + # endif + # include + #endif + #ifdef HAVE_STDLIB_H + # include + #endif + #include + + + +int +main () +{ +if ((wchar_t *) 0) + return 0; +if (sizeof (wchar_t)) + return 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 $ac_status); }; }; then + ac_cv_type_wchar_t=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_cv_type_wchar_t=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +echo "$as_me:$LINENO: result: $ac_cv_type_wchar_t" >&5 +echo "${ECHO_T}$ac_cv_type_wchar_t" >&6 + echo "$as_me:$LINENO: checking size of wchar_t" >&5 echo $ECHO_N "checking size of wchar_t... $ECHO_C" >&6 -if test "${wx_cv_sizeof_wchar_t+set}" = set; then +if test "${ac_cv_sizeof_wchar_t+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6 else + if test "$ac_cv_type_wchar_t" = yes; then + # The cast to unsigned long works around a bug in the HP C Compiler + # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects + # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. + # This bug is HP SR number 8606223364. + if test "$cross_compiling" = yes; then + # Depending upon the size, compute the lo and hi bounds. +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ - if test "$cross_compiling" = yes; then + /* DJGPP only has fake wchar_t: */ + #ifdef __DJGPP__ + # error "fake wchar_t" + #endif + #ifdef HAVE_WCHAR_H + # ifdef __CYGWIN__ + # include + # endif + # include + #endif + #ifdef HAVE_STDLIB_H + # include + #endif + #include - case "${host}" in - *-pc-msdosdjgpp ) - wx_cv_sizeof_wchar_t=0 - ;; - * ) - wx_cv_sizeof_wchar_t=4 - ;; - esac +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) >= 0)]; +test_array [0] = 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 $ac_status); }; }; then + ac_lo=0 ac_mid=0 + while :; do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + + /* DJGPP only has fake wchar_t: */ + #ifdef __DJGPP__ + # error "fake wchar_t" + #endif + #ifdef HAVE_WCHAR_H + # ifdef __CYGWIN__ + # include + # endif + # include + #endif + #ifdef HAVE_STDLIB_H + # include + #endif + #include + + + +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$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 $ac_status); }; }; then + ac_hi=$ac_mid; break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_lo=`expr $ac_mid + 1` + if test $ac_lo -le $ac_mid; then + ac_lo= ac_hi= + break + fi + ac_mid=`expr 2 '*' $ac_mid + 1` +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + done +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + + /* DJGPP only has fake wchar_t: */ + #ifdef __DJGPP__ + # error "fake wchar_t" + #endif + #ifdef HAVE_WCHAR_H + # ifdef __CYGWIN__ + # include + # endif + # include + #endif + #ifdef HAVE_STDLIB_H + # include + #endif + #include + + + +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) < 0)]; +test_array [0] = 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 $ac_status); }; }; then + ac_hi=-1 ac_mid=-1 + while :; do + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + + /* DJGPP only has fake wchar_t: */ + #ifdef __DJGPP__ + # error "fake wchar_t" + #endif + #ifdef HAVE_WCHAR_H + # ifdef __CYGWIN__ + # include + # endif + # include + #endif + #ifdef HAVE_STDLIB_H + # include + #endif + #include + + + +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) >= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$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 $ac_status); }; }; then + ac_lo=$ac_mid; break +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_hi=`expr '(' $ac_mid ')' - 1` + if test $ac_mid -le $ac_hi; then + ac_lo= ac_hi= + break + fi + ac_mid=`expr 2 '*' $ac_mid` +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext + done else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_lo= ac_hi= +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +# Binary search between lo and hi bounds. +while test "x$ac_lo" != "x$ac_hi"; do + ac_mid=`expr '(' $ac_hi - $ac_lo ')' / 2 + $ac_lo` cat >conftest.$ac_ext <<_ACEOF /* confdefs.h. */ _ACEOF @@ -19107,28 +19446,134 @@ cat confdefs.h >>conftest.$ac_ext cat >>conftest.$ac_ext <<_ACEOF /* end confdefs.h. */ - /* DJGPP only has fake wchar_t: */ - #ifdef __DJGPP__ - # error "fake wchar_t" - #endif - #ifdef HAVE_WCHAR_H - # ifdef __CYGWIN__ - # include - # endif - # include - #endif - #ifdef HAVE_STDLIB_H - # include - #endif - #include - int main() - { - FILE *f=fopen("conftestval", "w"); - if (!f) exit(1); - fprintf(f, "%i", sizeof(wchar_t)); - exit(0); - } + /* DJGPP only has fake wchar_t: */ + #ifdef __DJGPP__ + # error "fake wchar_t" + #endif + #ifdef HAVE_WCHAR_H + # ifdef __CYGWIN__ + # include + # endif + # include + #endif + #ifdef HAVE_STDLIB_H + # include + #endif + #include + + +int +main () +{ +static int test_array [1 - 2 * !(((long) (sizeof (wchar_t))) <= $ac_mid)]; +test_array [0] = 0 + + ; + return 0; +} +_ACEOF +rm -f conftest.$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 $ac_status); }; }; then + ac_hi=$ac_mid +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_lo=`expr '(' $ac_mid ')' + 1` +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +done +case $ac_lo in +?*) ac_cv_sizeof_wchar_t=$ac_lo;; +'') { { echo "$as_me:$LINENO: error: cannot compute sizeof (wchar_t), 77 +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute sizeof (wchar_t), 77 +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } ;; +esac +else + if test "$cross_compiling" = yes; then + { { echo "$as_me:$LINENO: error: cannot run test program while cross compiling +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot run test program while cross compiling +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } +else + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ + + /* DJGPP only has fake wchar_t: */ + #ifdef __DJGPP__ + # error "fake wchar_t" + #endif + #ifdef HAVE_WCHAR_H + # ifdef __CYGWIN__ + # include + # endif + # include + #endif + #ifdef HAVE_STDLIB_H + # include + #endif + #include + + + +long longval () { return (long) (sizeof (wchar_t)); } +unsigned long ulongval () { return (long) (sizeof (wchar_t)); } +#include +#include +int +main () +{ + + FILE *f = fopen ("conftest.val", "w"); + if (! f) + exit (1); + if (((long) (sizeof (wchar_t))) < 0) + { + long i = longval (); + if (i != ((long) (sizeof (wchar_t)))) + exit (1); + fprintf (f, "%ld\n", i); + } + else + { + unsigned long i = ulongval (); + if (i != ((long) (sizeof (wchar_t)))) + exit (1); + fprintf (f, "%lu\n", i); + } + exit (ferror (f) || fclose (f) != 0); + + ; + return 0; +} _ACEOF rm -f conftest$ac_exeext if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 @@ -19141,27 +19586,35 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then - wx_cv_sizeof_wchar_t=`cat conftestval` + ac_cv_sizeof_wchar_t=`cat conftest.val` else echo "$as_me: program exited with status $ac_status" >&5 echo "$as_me: failed program was:" >&5 sed 's/^/| /' conftest.$ac_ext >&5 ( exit $ac_status ) -wx_cv_sizeof_wchar_t=0 +{ { echo "$as_me:$LINENO: error: cannot compute sizeof (wchar_t), 77 +See \`config.log' for more details." >&5 +echo "$as_me: error: cannot compute sizeof (wchar_t), 77 +See \`config.log' for more details." >&2;} + { (exit 1); exit 1; }; } fi rm -f core *.core gmon.out bb.out conftest$ac_exeext conftest.$ac_objext conftest.$ac_ext fi - fi -echo "$as_me:$LINENO: result: $wx_cv_sizeof_wchar_t" >&5 -echo "${ECHO_T}$wx_cv_sizeof_wchar_t" >&6 - +rm -f conftest.val +else + ac_cv_sizeof_wchar_t=0 +fi +fi +echo "$as_me:$LINENO: result: $ac_cv_sizeof_wchar_t" >&5 +echo "${ECHO_T}$ac_cv_sizeof_wchar_t" >&6 cat >>confdefs.h <<_ACEOF -#define SIZEOF_WCHAR_T $wx_cv_sizeof_wchar_t +#define SIZEOF_WCHAR_T $ac_cv_sizeof_wchar_t _ACEOF + echo "$as_me:$LINENO: checking for va_copy" >&5 echo $ECHO_N "checking for va_copy... $ECHO_C" >&6 if test "${wx_cv_func_va_copy+set}" = set; then @@ -29745,7 +30198,7 @@ _ACEOF fi -if test "$wx_cv_sizeof_wchar_t" != "0"; then +if test "$ac_cv_sizeof_wchar_t" != "0"; then cat >>confdefs.h <<\_ACEOF #define wxUSE_WCHAR_T 1 _ACEOF diff --git a/configure.in b/configure.in index d069bcf376..4eb49f3e20 100644 --- a/configure.in +++ b/configure.in @@ -1759,51 +1759,26 @@ case "${host}" in AC_CHECK_SIZEOF(long long, 0) esac -dnl we have to do it ourselves because SGI/Irix's stdio.h does not include -dnl wchar_t and AC_CHECK_SIZEOF only includes stdio.h -dnl Mac OS X does not provide wchar.h and wchar_t is defined by stdlib.h (GD) -AC_CACHE_CHECK([size of wchar_t], wx_cv_sizeof_wchar_t, -[ - AC_TRY_RUN( - [ - /* DJGPP only has fake wchar_t: */ - #ifdef __DJGPP__ - # error "fake wchar_t" - #endif - #ifdef HAVE_WCHAR_H - # ifdef __CYGWIN__ - # include - # endif - # include - #endif - #ifdef HAVE_STDLIB_H - # include - #endif - #include - int main() - { - FILE *f=fopen("conftestval", "w"); - if (!f) exit(1); - fprintf(f, "%i", sizeof(wchar_t)); - exit(0); - } - ], - wx_cv_sizeof_wchar_t=`cat conftestval`, - wx_cv_sizeof_wchar_t=0, - [ - case "${host}" in - *-pc-msdosdjgpp ) - wx_cv_sizeof_wchar_t=0 - ;; - * ) - wx_cv_sizeof_wchar_t=4 - ;; - esac - ] - ) -]) - -AC_DEFINE_UNQUOTED(SIZEOF_WCHAR_T, $wx_cv_sizeof_wchar_t) +dnl SGI/Irix's stdio.h does not include wchar_t. Mac OS X does not provide +dnl wchar.h and wchar_t is defined by stdlib.h (GD) +AC_CHECK_SIZEOF(wchar_t, 0, + [ + /* DJGPP only has fake wchar_t: */ + #ifdef __DJGPP__ + # error "fake wchar_t" + #endif + #ifdef HAVE_WCHAR_H + # ifdef __CYGWIN__ + # include + # endif + # include + #endif + #ifdef HAVE_STDLIB_H + # include + #endif + #include + ] +) dnl checks needed to define wxVaCopy AC_CACHE_CHECK([for va_copy], @@ -3679,7 +3654,7 @@ dnl Check for functions dnl --------------------------------------------------------------------------- dnl don't check for wchar_t functions if we haven't got wchar_t itself -if test "$wx_cv_sizeof_wchar_t" != "0"; then +if test "$ac_cv_sizeof_wchar_t" != "0"; then AC_DEFINE(wxUSE_WCHAR_T) dnl check for wcslen in all possible places -- 2.45.2