[PATCH 2/4] Makefile: add NEEDS_RESOLV to optionally add -lresolv to compile arguments

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From: Brandon Casey <drafnel@xxxxxxxxx>

This library is required on Solaris since hstrerror resides in libresolv.
Additionally, on Solaris 7, inet_ntop and inet_pton reside there too.

Signed-off-by: Brandon Casey <drafnel@xxxxxxxxx>
---
 Makefile |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

diff --git a/Makefile b/Makefile
index ba78077..32b28ea 100644
--- a/Makefile
+++ b/Makefile
@@ -91,6 +91,10 @@ all::
 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
 # Patrick Mauritz).
 #
+# Define NEEDS_RESOLV if linking with -lnsl and/or -lsocket is not enough.
+# Notably on Solaris hstrerror resides in libresolv and on Solaris 7
+# inet_ntop and inet_pton additionally reside there.
+#
 # Define NO_MMAP if you want to avoid mmap.
 #
 # Define NO_PTHREADS if you do not have or do not want to use Pthreads.
@@ -697,10 +701,10 @@ endif
 ifeq ($(uname_S),SunOS)
 	NEEDS_SOCKET = YesPlease
 	NEEDS_NSL = YesPlease
+	NEEDS_RESOLV = YesPlease
 	SHELL_PATH = /bin/bash
 	NO_STRCASESTR = YesPlease
 	NO_MEMMEM = YesPlease
-	NO_HSTRERROR = YesPlease
 	NO_MKDTEMP = YesPlease
 	OLD_ICONV = UnfortunatelyYes
 	ifeq ($(uname_R),5.8)
@@ -956,6 +960,9 @@ endif
 ifdef NEEDS_NSL
 	EXTLIBS += -lnsl
 endif
+ifdef NEEDS_RESOLV
+	EXTLIBS += -lresolv
+endif
 ifdef NO_D_TYPE_IN_DIRENT
 	BASIC_CFLAGS += -DNO_D_TYPE_IN_DIRENT
 endif
-- 
1.6.3.1.24.g152f4

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