Only provide execvpe(3) when needed

Check for the existence of execvpe(3) and only provide the FreeBSD compat version if required. Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Brooks Davis <brooks.davis@sri.com> Closes openzfs#15609
robn · Jul 17, 2024 · 5668411 · 5668411
1 parent 32cd2da
commit 5668411
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Showing 3 changed files with 6 additions and 2 deletions.
diff --git a/config/user.m4 b/config/user.m4
@@ -31,7 +31,7 @@ AC_DEFUN([ZFS_AC_CONFIG_USER], [
 	ZFS_AC_CONFIG_USER_MAKEDEV_IN_MKDEV
 	ZFS_AC_CONFIG_USER_ZFSEXEC
 
-	AC_CHECK_FUNCS([issetugid mlockall strlcat strlcpy])
+	AC_CHECK_FUNCS([execvpe issetugid mlockall strlcat strlcpy])
 
 	AC_SUBST(RM)
 ])
diff --git a/lib/libspl/include/os/freebsd/sys/param.h b/lib/libspl/include/os/freebsd/sys/param.h
@@ -57,6 +57,8 @@
 extern size_t spl_pagesize(void);
 #define	PAGESIZE	(spl_pagesize())
 
+#ifndef HAVE_EXECVPE
 extern int execvpe(const char *name, char * const argv[], char * const envp[]);
+#endif
 
 #endif
diff --git a/lib/libzfs/os/freebsd/libzfs_compat.c b/lib/libzfs/os/freebsd/libzfs_compat.c
@@ -38,7 +38,8 @@
 #define	ZFS_KMOD	"openzfs"
 #endif
 
-
+#ifndef HAVE_EXECVPE
+/* FreeBSD prior to 15 lacks execvpe */
 static int
 execvPe(const char *name, const char *path, char * const *argv,
     char * const *envp)
@@ -192,6 +193,7 @@ execvpe(const char *name, char * const argv[], char * const envp[])
 
 	return (execvPe(name, path, argv, envp));
 }
+#endif /* !HAVE_EXECVPE */
 
 static __thread char errbuf[ERRBUFLEN];