Mercurial > vim
changeset 32914:4e105c35625b v9.0.1765
patch 9.0.1765: Error when cross-compiling Vim
Commit: https://github.com/vim/vim/commit/a055b441f556e4814a1838db687ac50f48617154
Author: Mike Gilbert <floppym@gentoo.org>
Date: Sun Aug 20 19:01:41 2023 +0200
patch 9.0.1765: Error when cross-compiling Vim
Problem: Error when cross-compiling Vim
Solution: use AC_CHECK_SIZEOF to find sizeof(wchar_t)
This fixes an error when cross compiling.
closes: #12828
Bug: https://bugs.gentoo.org/889430
Signed-off-by: Mike Gilbert <floppym@gentoo.org>
Signed-off-by: Christian Brabandt <cb@256bit.org>
author | Christian Brabandt <cb@256bit.org> |
---|---|
date | Sun, 20 Aug 2023 19:15:05 +0200 |
parents | 963cf05c2efd |
children | ba87e3f0ffe4 |
files | src/auto/configure src/configure.ac src/version.c |
diffstat | 3 files changed, 146 insertions(+), 164 deletions(-) [+] |
line wrap: on
line diff
--- a/src/auto/configure +++ b/src/auto/configure @@ -1980,114 +1980,6 @@ eval ac_res=\$$3 } # ac_fn_c_check_func -# ac_fn_c_check_type LINENO TYPE VAR INCLUDES -# ------------------------------------------- -# Tests whether TYPE exists after having included INCLUDES, setting cache -# variable VAR accordingly. -ac_fn_c_check_type () -{ - as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 -$as_echo_n "checking for $2... " >&6; } -if eval \${$3+:} false; then : - $as_echo_n "(cached) " >&6 -else - eval "$3=no" - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -$4 -int -main () -{ -if (sizeof ($2)) - return 0; - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -$4 -int -main () -{ -if (sizeof (($2))) - return 0; - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - -else - eval "$3=yes" -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -fi -eval ac_res=\$$3 - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 -$as_echo "$ac_res" >&6; } - eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno - -} # ac_fn_c_check_type - -# ac_fn_c_find_uintX_t LINENO BITS VAR -# ------------------------------------ -# Finds an unsigned integer type with width BITS, setting cache variable VAR -# accordingly. -ac_fn_c_find_uintX_t () -{ - as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uint$2_t" >&5 -$as_echo_n "checking for uint$2_t... " >&6; } -if eval \${$3+:} false; then : - $as_echo_n "(cached) " >&6 -else - eval "$3=no" - # Order is important - never check a type that is potentially smaller - # than half of the expected target width. - for ac_type in uint$2_t 'unsigned int' 'unsigned long int' \ - 'unsigned long long int' 'unsigned short int' 'unsigned char'; do - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ -$ac_includes_default -int -main () -{ -static int test_array [1 - 2 * !((($ac_type) -1 >> ($2 / 2 - 1)) >> ($2 / 2 - 1) == 3)]; -test_array [0] = 0; -return test_array [0]; - - ; - return 0; -} -_ACEOF -if ac_fn_c_try_compile "$LINENO"; then : - case $ac_type in #( - uint$2_t) : - eval "$3=yes" ;; #( - *) : - eval "$3=\$ac_type" ;; -esac -fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext - if eval test \"x\$"$3"\" = x"no"; then : - -else - break -fi - done -fi -eval ac_res=\$$3 - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 -$as_echo "$ac_res" >&6; } - eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno - -} # ac_fn_c_find_uintX_t - # ac_fn_c_compute_int LINENO EXPR VAR INCLUDES # -------------------------------------------- # Tries to find the compile-time value of EXPR in a program that includes @@ -2270,6 +2162,114 @@ rm -f conftest.val as_fn_set_status $ac_retval } # ac_fn_c_compute_int + +# ac_fn_c_check_type LINENO TYPE VAR INCLUDES +# ------------------------------------------- +# Tests whether TYPE exists after having included INCLUDES, setting cache +# variable VAR accordingly. +ac_fn_c_check_type () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5 +$as_echo_n "checking for $2... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + eval "$3=no" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +if (sizeof ($2)) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$4 +int +main () +{ +if (sizeof (($2))) + return 0; + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + +else + eval "$3=yes" +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_check_type + +# ac_fn_c_find_uintX_t LINENO BITS VAR +# ------------------------------------ +# Finds an unsigned integer type with width BITS, setting cache variable VAR +# accordingly. +ac_fn_c_find_uintX_t () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for uint$2_t" >&5 +$as_echo_n "checking for uint$2_t... " >&6; } +if eval \${$3+:} false; then : + $as_echo_n "(cached) " >&6 +else + eval "$3=no" + # Order is important - never check a type that is potentially smaller + # than half of the expected target width. + for ac_type in uint$2_t 'unsigned int' 'unsigned long int' \ + 'unsigned long long int' 'unsigned short int' 'unsigned char'; do + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +$ac_includes_default +int +main () +{ +static int test_array [1 - 2 * !((($ac_type) -1 >> ($2 / 2 - 1)) >> ($2 / 2 - 1) == 3)]; +test_array [0] = 0; +return test_array [0]; + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + case $ac_type in #( + uint$2_t) : + eval "$3=yes" ;; #( + *) : + eval "$3=\$ac_type" ;; +esac +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + if eval test \"x\$"$3"\" = x"no"; then : + +else + break +fi + done +fi +eval ac_res=\$$3 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 +$as_echo "$ac_res" >&6; } + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + +} # ac_fn_c_find_uintX_t cat >auto/config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. @@ -9204,43 +9204,40 @@ rm -f core conftest.err conftest.$ac_obj LDFLAGS="$ac_save_LDFLAGS" - { $as_echo "$as_me:${as_lineno-$LINENO}: checking size of wchar_t is 2 bytes" >&5 -$as_echo_n "checking size of wchar_t is 2 bytes... " >&6; } - if ${ac_cv_small_wchar_t+:} false; then : - $as_echo_n "(cached) " >&6 -else - if test "$cross_compiling" = yes; then : - as_fn_error $? "failed to compile test program" "$LINENO" 5 -else - cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -#include <X11/Xlib.h> -#if STDC_HEADERS -# include <stdlib.h> -# include <stddef.h> -#endif - int main() - { - if (sizeof(wchar_t) <= 2) - exit(1); - exit(0); - } -_ACEOF -if ac_fn_c_try_run "$LINENO"; then : - ac_cv_small_wchar_t="no" -else - ac_cv_small_wchar_t="yes" -fi -rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ - conftest.$ac_objext conftest.beam conftest.$ac_ext -fi - -fi - - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_small_wchar_t" >&5 -$as_echo "$ac_cv_small_wchar_t" >&6; } - if test "x$ac_cv_small_wchar_t" = "xyes" ; then + # The cast to long int 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. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking size of wchar_t" >&5 +$as_echo_n "checking size of wchar_t... " >&6; } +if ${ac_cv_sizeof_wchar_t+:} false; then : + $as_echo_n "(cached) " >&6 +else + if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (wchar_t))" "ac_cv_sizeof_wchar_t" "$ac_includes_default"; then : + +else + if test "$ac_cv_type_wchar_t" = yes; then + { { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 +$as_echo "$as_me: error: in \`$ac_pwd':" >&2;} +as_fn_error 77 "cannot compute sizeof (wchar_t) +See \`config.log' for more details" "$LINENO" 5; } + else + ac_cv_sizeof_wchar_t=0 + fi +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_wchar_t" >&5 +$as_echo "$ac_cv_sizeof_wchar_t" >&6; } + + + +cat >>confdefs.h <<_ACEOF +#define SIZEOF_WCHAR_T $ac_cv_sizeof_wchar_t +_ACEOF + + + if test "$ac_cv_sizeof_wchar_t" -le 2; then $as_echo "#define SMALL_WCHAR_T 1" >>confdefs.h fi
--- a/src/configure.ac +++ b/src/configure.ac @@ -2416,25 +2416,8 @@ else LDFLAGS="$ac_save_LDFLAGS" - AC_MSG_CHECKING(size of wchar_t is 2 bytes) - AC_CACHE_VAL(ac_cv_small_wchar_t, - [AC_RUN_IFELSE([AC_LANG_SOURCE([ -#include <X11/Xlib.h> -#if STDC_HEADERS -# include <stdlib.h> -# include <stddef.h> -#endif - int main() - { - if (sizeof(wchar_t) <= 2) - exit(1); - exit(0); - }])], - ac_cv_small_wchar_t="no", - ac_cv_small_wchar_t="yes", - AC_MSG_ERROR(failed to compile test program))]) - AC_MSG_RESULT($ac_cv_small_wchar_t) - if test "x$ac_cv_small_wchar_t" = "xyes" ; then + AC_CHECK_SIZEOF([wchar_t]) + if test "$ac_cv_sizeof_wchar_t" -le 2; then AC_DEFINE(SMALL_WCHAR_T) fi