"Kyle J. McKay" <mack...@gmail.com> writes:

> The below patch does the right thing.  Conveniently there's already
> a test for 10.4 and earlier so only a single line need be added.
>
> --Kyle
>
> ---- 8< ----
> Subject: [PATCH] config.mak.uname: set NO_APPLE_COMMON_CRYPTO on older systems
>
> Older MacOS systems prior to 10.5 do not have the CommonCrypto
> support Git uses so set NO_APPLE_COMMON_CRYPTO on those systems.
>
> Signed-off-by: Kyle J. McKay <mack...@gmail.com>
> ---
>  config.mak.uname | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/config.mak.uname b/config.mak.uname
> index 7846bd76..f8e12c96 100644
> --- a/config.mak.uname
> +++ b/config.mak.uname
> @@ -88,6 +88,7 @@ ifeq ($(uname_S),Darwin)
>       NEEDS_LIBICONV = YesPlease
>       ifeq ($(shell expr "$(uname_R)" : '[15678]\.'),2)
>               OLD_ICONV = UnfortunatelyYes
> +             NO_APPLE_COMMON_CRYPTO = YesPlease
>       endif
>       ifeq ($(shell expr "$(uname_R)" : '[15]\.'),2)
>               NO_STRLCPY = YesPlease

By the way, can we document this "uname_R on MacOS X" business
nearby, perhaps like this?

-- >8 --
Subject: 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..7e49aca 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: $(uname_R) gives us the underlying Darwin version.
+       # - MacOS 10.0 = Darwin 1.*
+       # - MacOS 10.x.? = Darwin (x+4).* for (1 <= x)
+       # i.e. "begins with [15678] and the a dot" means "10.4.* or older".
        ifeq ($(shell expr "$(uname_R)" : '[15678]\.'),2)
                OLD_ICONV = UnfortunatelyYes
                NO_APPLE_COMMON_CRYPTO = YesPlease
--
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