diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 80 |
1 files changed, 80 insertions, 0 deletions
@@ -13243,6 +13243,86 @@ if test x$zsh_cv_sys_fifo = xyes; then fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if lseek() correctly reports seekability" >&5 +printf %s "checking if lseek() correctly reports seekability... " >&6; } +if test ${zsh_cv_sys_lseek+y} +then : + printf %s "(cached) " >&6 +else $as_nop + if test "$cross_compiling" = yes +then : + zsh_cv_sys_lseek=yes +else $as_nop + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +#include <stdio.h> +#include <sys/types.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/socket.h> +#include <sys/stat.h> +int main() { + int pipefd[2], fd; + off_t ret; + char* tmpfile = "seekfiletest.tmp"; + if ((fd = open(tmpfile, O_CREAT, S_IRUSR)) < 0) { + fprintf(stderr, "creating file failed\n"); + return 1; + } + ret = lseek(fd, 0, SEEK_CUR); + close(fd); + unlink(tmpfile); + if (ret == (off_t)-1) { + fprintf(stderr, "lseek on regular file failed\n"); + return 1; + } + if (pipe(pipefd) < 0) { + fprintf(stderr, "creating pipe failed\n"); + return 1; + } + write(pipefd[1], "abcdefgh", 8); + ret = lseek(pipefd[0], 0, SEEK_CUR); + close(pipefd[0]); + close(pipefd[1]); + if (ret != (off_t)-1) { + fprintf(stderr, "lseek on pipe succeeded\n"); + return 1; + } + if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) < 0) { + fprintf(stderr, "creating UNIX domain socket failed\n"); + return 1; + } + ret = lseek(fd, 0, SEEK_CUR); + close(fd); + if (ret != (off_t)-1) { + fprintf(stderr, "lseek on UNIX domain socket succeeded\n"); + return 1; + } + return 0; +} + +_ACEOF +if ac_fn_c_try_run "$LINENO" +then : + zsh_cv_sys_lseek=yes +else $as_nop + zsh_cv_sys_lseek=no +fi +rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ + conftest.$ac_objext conftest.beam conftest.$ac_ext +fi + + +fi +{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $zsh_cv_sys_lseek" >&5 +printf "%s\n" "$zsh_cv_sys_lseek" >&6; } + +if test x$zsh_cv_sys_lseek = xyes; then + printf "%s\n" "#define USE_LSEEK 1" >>confdefs.h + +fi + { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if link() works" >&5 printf %s "checking if link() works... " >&6; } if test ${zsh_cv_sys_link+y} |