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authorGary V. Vaughan <git@mlists.thewrittenword.com>2010-05-14 09:31:41 (GMT)
committerJunio C Hamano <gitster@pobox.com>2010-06-01 00:36:27 (GMT)
commit5a857c74baa96c4b20cdf9cab83a77972e6560de (patch)
treebb7bc0df5b1568d4f4f83691cd0f3dcfc20f3e5a
parent0a9b167ede027c09eca7aa2ea7522f058e153a13 (diff)
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Make NO_{INET_NTOP,INET_PTON} configured independently
Being careful not to overwrite the results of testing for hstrerror in libresolv, also test whether inet_ntop/inet_pton are available from that library. Signed-off-by: Gary V. Vaughan <gary@thewrittenword.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--config.mak.in2
-rw-r--r--configure.ac37
2 files changed, 32 insertions, 7 deletions
diff --git a/config.mak.in b/config.mak.in
index 9a0d8de..8667ac5 100644
--- a/config.mak.in
+++ b/config.mak.in
@@ -53,6 +53,8 @@ NO_SETENV=@NO_SETENV@
NO_UNSETENV=@NO_UNSETENV@
NO_MKDTEMP=@NO_MKDTEMP@
NO_MKSTEMPS=@NO_MKSTEMPS@
+NO_INET_NTOP=@NO_INET_NTOP@
+NO_INET_PTON=@NO_INET_PTON@
NO_ICONV=@NO_ICONV@
OLD_ICONV=@OLD_ICONV@
NO_DEFLATE_BOUND=@NO_DEFLATE_BOUND@
diff --git a/configure.ac b/configure.ac
index fbe5035..b97ee6d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -545,11 +545,33 @@ AC_SUBST(NEEDS_SOCKET)
test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
#
-# Define NEEDS_RESOLV if linking with -lnsl and/or -lsocket is not enough.
-# Notably on Solaris 7 inet_ntop and inet_pton additionally reside there.
-AC_CHECK_LIB([c], [inet_ntop],
-[NEEDS_RESOLV=],
-[NEEDS_RESOLV=YesPlease])
+# The next few tests will define NEEDS_RESOLV if linking with
+# libresolv provides some of the functions we would normally get
+# from libc.
+NEEDS_RESOLV=
+AC_SUBST(NEEDS_RESOLV)
+#
+# Define NO_INET_NTOP if linking with -lresolv is not enough.
+# Solaris 2.7 in particular hos inet_ntop in -lresolv.
+NO_INET_NTOP=
+AC_SUBST(NO_INET_NTOP)
+AC_CHECK_FUNC([inet_ntop],
+ [],
+ [AC_CHECK_LIB([resolv], [inet_ntop],
+ [NEEDS_RESOLV=YesPlease],
+ [NO_INET_NTOP=YesPlease])
+])
+#
+# Define NO_INET_PTON if linking with -lresolv is not enough.
+# Solaris 2.7 in particular hos inet_pton in -lresolv.
+NO_INET_PTON=
+AC_SUBST(NO_INET_PTON)
+AC_CHECK_FUNC([inet_pton],
+ [],
+ [AC_CHECK_LIB([resolv], [inet_pton],
+ [NEEDS_RESOLV=YesPlease],
+ [NO_INET_PTON=YesPlease])
+])
#
# Define NO_HSTRERROR if linking with -lresolv is not enough.
# Solaris 2.6 in particular has no hstrerror, even in -lresolv.
@@ -561,8 +583,9 @@ AC_CHECK_FUNC([hstrerror],
[NO_HSTRERROR=YesPlease])
])
AC_SUBST(NO_HSTRERROR)
-
-AC_SUBST(NEEDS_RESOLV)
+#
+# If any of the above tests determined that -lresolv is needed at
+# build-time, also set it here for remaining configure-time checks.
test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv"
AC_CHECK_LIB([c], [basename],