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 @@ -526,11 +526,22 @@ 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 @@ -774,6 +774,7 @@ 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@xxxxxxxxxxxxxxxxxx) -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html