Patch 8.2.2056

[Bram Moolenaar]

Patch 8.2.2056
Problem: Configure fails when building with the
"implicit-function-declaration" error enabled, specifically on Mac.
Solution: Declear the functions like in the source code. (suggestion by
Clemens Lang, closes #7380)
Files: src/configure.ac, src/auto/configure


*** ../vim-8.2.2055/src/configure.ac 2020-10-03 14:23:46.152413468 +0200
--- src/configure.ac 2020-11-26 20:08:54.336945130 +0100
***************
*** 3593,3599 ****

AC_MSG_CHECKING(for SVR4 ptys)
if test -c /dev/ptmx ; then
! AC_TRY_LINK([], [ptsname(0);grantpt(0);unlockpt(0);],
AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SVR4_PTYS),
AC_MSG_RESULT(no))
else
--- 3593,3607 ----

AC_MSG_CHECKING(for SVR4 ptys)
if test -c /dev/ptmx ; then
! AC_TRY_LINK([
! // These should be in stdlib.h, but it depends on _XOPEN_SOURCE.
! char *ptsname(int);
! int unlockpt(int);
! int grantpt(int);
! ], [
! ptsname(0);
! grantpt(0);
! unlockpt(0);],
AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SVR4_PTYS),
AC_MSG_RESULT(no))
else
*** ../vim-8.2.2055/src/auto/configure 2020-10-03 14:23:46.156413453 +0200
--- src/auto/configure 2020-11-26 20:08:57.060938911 +0100
***************
*** 12350,12359 ****
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */

int
main ()
{
! ptsname(0);grantpt(0);unlockpt(0);
;
return 0;
}
--- 12350,12367 ----
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */

+ // These should be in stdlib.h, but it depends on _XOPEN_SOURCE.
+ char *ptsname(int);
+ int unlockpt(int);
+ int grantpt(int);
+
int
main ()
{
!
! ptsname(0);
! grantpt(0);
! unlockpt(0);
;
return 0;
}
*** ../vim-8.2.2055/src/version.c 2020-11-26 19:47:24.359855019 +0100
--- src/version.c 2020-11-26 19:55:53.717802737 +0100
***************
*** 752,753 ****
--- 752,755 ----
{ /* Add new patch number below this line */
+ /**/
+ 2056,
/**/

--
We do not stumble over mountains, but over molehills.
Confucius

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///