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From: | Paul Eggert |
Subject: | Re: gnulib fails for build on Mac OS X 10.4: get_ppid_of.c:36:22: error: libproc.h: No such file or directory |
Date: | Thu, 9 Dec 2021 08:25:47 -0800 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1 |
On 12/9/21 04:28, Ryan Schmidt wrote:
(They used __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ instead of MAC_OS_X_VERSION_MIN_REQUIRED; the distinction is not clear to me. It might be that __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ is defined even if AvailabilityMacros.h is not included.)
I think you're right that __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ is predefined; see <https://opensource.apple.com/source/CarbonHeaders/CarbonHeaders-18.1/AvailabilityMacros.h.auto.html>.
There's a similar macro __ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__ for iOS.
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