configure: test whether -lresolv is needed
Check if -lresolv is needed for hstrerror; set NEEDS_RESOLV accordingly, and substitute in config.mak.in. Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Ralf Wildenhues committed
Jun 7, 2009 at 07:40 UTC
8fccb009fa539080a6c4fb18204dfea0be434433
2 files changed
+10
config.mak.in
+1
@@ -32,6 +32,7 @@ NO_CURL=@NO_CURL@
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NO_EXPAT=@NO_EXPAT@
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NEEDS_LIBICONV=@NEEDS_LIBICONV@
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NEEDS_SOCKET=@NEEDS_SOCKET@
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+NEEDS_RESOLV=@NEEDS_RESOLV@
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NO_SYS_SELECT_H=@NO_SYS_SELECT_H@
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NO_D_INO_IN_DIRENT=@NO_D_INO_IN_DIRENT@
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NO_D_TYPE_IN_DIRENT=@NO_D_TYPE_IN_DIRENT@
configure.ac
+9
@@ -467,6 +467,15 @@ AC_CHECK_LIB([c], [socket],
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AC_SUBST(NEEDS_SOCKET)
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test -n "$NEEDS_SOCKET" && LIBS="$LIBS -lsocket"
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+#
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+# Define NEEDS_RESOLV if linking with -lnsl and/or -lsocket is not enough.
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+# Notably on Solaris hstrerror resides in libresolv and on Solaris 7
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+# inet_ntop and inet_pton additionally reside there.
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+AC_CHECK_LIB([resolv], [hstrerror],
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+[NEEDS_RESOLV=],
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+[NEEDS_RESOLV=YesPlease])
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+AC_SUBST(NEEDS_RESOLV)
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+test -n "$NEEDS_RESOLV" && LIBS="$LIBS -lresolv"
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## Checks for header files.
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AC_MSG_NOTICE([CHECKS for header files])