[patch 13/16] no-hstrerror.patch
SunOS 5.6 and 5.5.1 do not have hstrerror, even in libresolv.
This patch improves the logic of the test for hstrerror, not to
blindly assume that if there is no hstrerror in libc that it must
exist in libresolv.
---
Makefile | 1 +
config.mak.in | 1 +
configure.ac | 17 ++++++++++++++---
3 files changed, 16 insertions(+), 3 deletions(-)
Index: b/configure.ac
===================================================================
--- a/configure.ac
+++ b/configure.ac
@@ -546,11 +546,22 @@ test -n "$NEEDS_SOCKET" && LIBS="$LIBS -
#
# 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.
-AC_CHECK_LIB([c], [hstrerror],
+# Notably on Solaris 7 inet_ntop and inet_pton additionally reside there.
+AC_CHECK_LIB([c], [inet_ntop],
[NEEDS_RESOLV=],
[NEEDS_RESOLV=YesPlease])
+#
+# Define NO_HSTRERROR if linking with -lresolv is not enough.
+# Solaris 2.6 in particular has no hstrerror, even in -lresolv.
+NO_HSTRERROR=
+AC_CHECK_FUNC([hstrerror],
+ [],
+ [AC_CHECK_LIB([resolv], [hstrerror],
+ [NEEDS_RESOLV=YesPlease],
+ [NO_HSTRERROR=YesPlease])
+])
+AC_SUBST(NO_HSTRERROR)
+
AC_SUBST(NEEDS_RESOLV)
test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv"
Index: b/Makefile
===================================================================
--- a/Makefile
+++ b/Makefile
@@ -813,6 +813,7 @@ ifeq ($(uname_S),SunOS)
NO_MKSTEMPS = YesPlease
NO_REGEX = YesPlease
ifeq ($(uname_R),5.6)
+ NO_HSTRERROR = YesPlease
NO_IPV6 = YesPlease
NO_SOCKADDR_STORAGE = YesPlease
NO_UNSETENV = YesPlease
Index: b/config.mak.in
===================================================================
--- a/config.mak.in
+++ b/config.mak.in
@@ -43,6 +43,7 @@ NO_D_TYPE_IN_DIRENT=@NO_D_TYPE_IN_DIRENT
NO_SOCKADDR_STORAGE=@NO_SOCKADDR_STORAGE@
NO_IPV6=@NO_IPV6@
NO_C99_FORMAT=@NO_C99_FORMAT@
+NO_HSTRERROR=@NO_HSTRERROR@
NO_STRCASESTR=@NO_STRCASESTR@
NO_MEMMEM=@NO_MEMMEM@
NO_STRLCPY=@NO_STRLCPY@
--
Gary V. Vaughan (gary@thewrittenword.com)