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Document how to use --cache configure option.

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This resolves #494.
This commit is contained in:
Jason Evans 2016-11-16 10:56:40 -08:00
parent 4066b4ef57
commit 9b94c015af
1 changed files with 15 additions and 0 deletions
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15
INSTALL
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@ -324,6 +324,21 @@ LDFLAGS="?"
PATH="?" PATH="?"
'configure' uses this to find programs. 'configure' uses this to find programs.
In some cases it may be necessary to work around configuration results that do
not match reality. For example, OS X 10.12 in conjunction with XCode 8 adds
the os_unfair_lock_*() API, but if XCode 8 is used to build jemalloc on older
versions of OS X, the configure script will determine that os_unfair_lock_*()
is compilable, yet run-time failures will result. To work around this
(ignoring that MACOSX_DEPLOYMENT_TARGET may be the correct fix), create a cache
file (called e.g. darwin.cache) with the following contents to override the
relevant configuration variable defined in configure.ac:
je_cv_os_unfair_lock=no
Invoke configure as such:
./configure --cache=darwin.cache
=== Advanced compilation ======================================================= === Advanced compilation =======================================================
To build only parts of jemalloc, use the following targets: To build only parts of jemalloc, use the following targets: