From f35c7c070ca6b49c5d6a97be34e6c02f828f5873 Mon Sep 17 00:00:00 2001
From: Malcolm Smith <smith@chaquo.com>
Date: Fri, 2 Feb 2024 23:30:52 +0000
Subject: [PATCH] gh-114875: Require getgrent for building the grp extension
 module (#114876)

Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
---
 .../Build/2024-02-01-20-08-11.gh-issue-114875.x_2iZ9.rst | 1 +
 configure                                                | 9 ++++++++-
 configure.ac                                             | 6 ++++--
 pyconfig.h.in                                            | 3 +++
 4 files changed, 16 insertions(+), 3 deletions(-)
 create mode 100644 Misc/NEWS.d/next/Build/2024-02-01-20-08-11.gh-issue-114875.x_2iZ9.rst

diff --git a/Misc/NEWS.d/next/Build/2024-02-01-20-08-11.gh-issue-114875.x_2iZ9.rst b/Misc/NEWS.d/next/Build/2024-02-01-20-08-11.gh-issue-114875.x_2iZ9.rst
new file mode 100644
index 00000000000..20e9d6376b9
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2024-02-01-20-08-11.gh-issue-114875.x_2iZ9.rst
@@ -0,0 +1 @@
+Add :c:func:`!getgrent` as a prerequisite for building the :mod:`grp` module.
diff --git a/configure b/configure
index 7b2119ff7f4..1d41d7ba664 100755
--- a/configure
+++ b/configure
@@ -17475,6 +17475,12 @@ if test "x$ac_cv_func_getgid" = xyes
 then :
   printf "%s\n" "#define HAVE_GETGID 1" >>confdefs.h
 
+fi
+ac_fn_c_check_func "$LINENO" "getgrent" "ac_cv_func_getgrent"
+if test "x$ac_cv_func_getgrent" = xyes
+then :
+  printf "%s\n" "#define HAVE_GETGRENT 1" >>confdefs.h
+
 fi
 ac_fn_c_check_func "$LINENO" "getgrgid" "ac_cv_func_getgrgid"
 if test "x$ac_cv_func_getgrgid" = xyes
@@ -28968,7 +28974,8 @@ then :
 
     if true
 then :
-  if test "$ac_cv_func_getgrgid" = yes -o "$ac_cv_func_getgrgid_r" = yes
+  if test "$ac_cv_func_getgrent" = "yes" &&
+   { test "$ac_cv_func_getgrgid" = "yes" || test "$ac_cv_func_getgrgid_r" = "yes"; }
 then :
   py_cv_module_grp=yes
 else $as_nop
diff --git a/configure.ac b/configure.ac
index 5bef2351c98..b29cd028f8f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4787,7 +4787,7 @@ AC_CHECK_FUNCS([ \
   copy_file_range ctermid dup dup3 execv explicit_bzero explicit_memset \
   faccessat fchmod fchmodat fchown fchownat fdopendir fdwalk fexecve \
   fork fork1 fpathconf fstatat ftime ftruncate futimens futimes futimesat \
-  gai_strerror getegid getentropy geteuid getgid getgrgid getgrgid_r \
+  gai_strerror getegid getentropy geteuid getgid getgrent getgrgid getgrgid_r \
   getgrnam_r getgrouplist getgroups gethostname getitimer getloadavg getlogin \
   getpeername getpgid getpid getppid getpriority _getpty \
   getpwent getpwnam_r getpwuid getpwuid_r getresgid getresuid getrusage getsid getspent \
@@ -7313,7 +7313,9 @@ PY_STDLIB_MOD([_socket],
                     -a "$ac_cv_header_netinet_in_h" = "yes"]))
 
 dnl platform specific extensions
-PY_STDLIB_MOD([grp], [], [test "$ac_cv_func_getgrgid" = yes -o "$ac_cv_func_getgrgid_r" = yes])
+PY_STDLIB_MOD([grp], [],
+  [test "$ac_cv_func_getgrent" = "yes" &&
+   { test "$ac_cv_func_getgrgid" = "yes" || test "$ac_cv_func_getgrgid_r" = "yes"; }])
 PY_STDLIB_MOD([pwd], [], [test "$ac_cv_func_getpwuid" = yes -o "$ac_cv_func_getpwuid_r" = yes])
 PY_STDLIB_MOD([resource], [], [test "$ac_cv_header_sys_resource_h" = yes])
 PY_STDLIB_MOD([_scproxy],
diff --git a/pyconfig.h.in b/pyconfig.h.in
index b22740710bc..2b4bb1a2b52 100644
--- a/pyconfig.h.in
+++ b/pyconfig.h.in
@@ -474,6 +474,9 @@
 /* Define to 1 if you have the `getgid' function. */
 #undef HAVE_GETGID
 
+/* Define to 1 if you have the `getgrent' function. */
+#undef HAVE_GETGRENT
+
 /* Define to 1 if you have the `getgrgid' function. */
 #undef HAVE_GETGRGID