On Aug 15, 2014, at 11:04, Junio C Hamano wrote:

The 10.1.0 anomaly actually was bothering me, too.  How
about doing it this way?

-- >8 --
Subject: [PATCH v2] config.mak.uname: add hint on uname_R for MacOS X

I always have to scratch my head every time I see this cryptic
pattern "[15678]\."; leave a short note to remind the maintainer
and the reviewers.

Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
config.mak.uname | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/config.mak.uname b/config.mak.uname
index f8e12c9..414760f 100644
--- a/config.mak.uname
+++ b/config.mak.uname
@@ -86,6 +86,10 @@ ifeq ($(uname_S),Darwin)
        NEEDS_CRYPTO_WITH_SSL = YesPlease
        NEEDS_SSL_WITH_CRYPTO = YesPlease
        NEEDS_LIBICONV = YesPlease
+       # Note: $(uname_R) gives us the underlying Darwin version.
+       # - MacOS 10.0.* and MacOS 10.1.0 = Darwin 1.*
+       # - MacOS 10.x.* = Darwin (x+4).* for (1 <= x)
+       # i.e. "begins with [15678] and a dot" means "10.4.* or older".
        ifeq ($(shell expr "$(uname_R)" : '[15678]\.'),2)
                OLD_ICONV = UnfortunatelyYes
                NO_APPLE_COMMON_CRYPTO = YesPlease
--
2.1.0-rc2-283-g1433d67


Very nice.
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