compat/unsetenv.c: Fix a sparse warning

diff --git a/configure.ac b/configure.ac
index 41ac9a5e2d29b5f797a03052c3a17a8b42dac093..f3462d9c81f12ea07229128f6bef7a4ff3fcfe10 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -753,6 +753,14 @@ AC_CHECK_MEMBER(struct dirent.d_type,
 [#include <dirent.h>])
 GIT_CONF_SUBST([NO_D_TYPE_IN_DIRENT])
 #
+# Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd
+# in the C library.
+AC_CHECK_MEMBER(struct passwd.pw_gecos,
+[NO_GECOS_IN_PWENT=],
+[NO_GECOS_IN_PWENT=YesPlease],
+[#include <pwd.h>])
+GIT_CONF_SUBST([NO_GECOS_IN_PWENT])
+#
 # Define NO_SOCKADDR_STORAGE if your platform does not have struct
 # sockaddr_storage.
 AC_CHECK_TYPE(struct sockaddr_storage,
@@ -872,6 +880,12 @@ AC_CHECK_HEADER([libcharset.h],
 [HAVE_LIBCHARSET_H=YesPlease],
 [HAVE_LIBCHARSET_H=])
 GIT_CONF_SUBST([HAVE_LIBCHARSET_H])
+#
+# Define HAVE_STRINGS_H if you have strings.h
+AC_CHECK_HEADER([strings.h],
+[HAVE_STRINGS_H=YesPlease],
+[HAVE_STRINGS_H=])
+GIT_CONF_SUBST([HAVE_STRINGS_H])
 # Define CHARSET_LIB if libiconv does not export the locale_charset symbol
 # and libcharset does
 CHARSET_LIB=
@@ -887,12 +901,6 @@ GIT_CHECK_FUNC(strcasestr,
 [NO_STRCASESTR=YesPlease])
 GIT_CONF_SUBST([NO_STRCASESTR])
 #
-# Define NO_STRTOK_R if you don't have strtok_r
-GIT_CHECK_FUNC(strtok_r,
-[NO_STRTOK_R=],
-[NO_STRTOK_R=YesPlease])
-GIT_CONF_SUBST([NO_STRTOK_R])
-#
 # Define NO_FNMATCH if you don't have fnmatch
 GIT_CHECK_FUNC(fnmatch,
 [NO_FNMATCH=],