It is often not obvious to people, that build() can be run multiple
times when continuing a build with --noextract.

Signed-off-by: Eli Schwartz <[email protected]>
---
 doc/PKGBUILD.5.asciidoc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/doc/PKGBUILD.5.asciidoc b/doc/PKGBUILD.5.asciidoc
index 83a61458..6336a5cd 100644
--- a/doc/PKGBUILD.5.asciidoc
+++ b/doc/PKGBUILD.5.asciidoc
@@ -359,7 +359,11 @@ function.
 
 *build() Function*::
        The optional `build()` function is use to compile and/or adjust the 
source
-       files in preparation to be installed by the `package()` function.
+       files in preparation to be installed by the `package()` function. All
+       commands specific to the package creation (but not source code
+       preparation), before the final installation of files into the packaging
+       root, should be performed here. The `build()` function is permitted to 
run
+       multiple times if `makepkg --noextract` is used.
 
 *check() Function*::
        An optional `check()` function can be specified in which a package's
-- 
2.21.0

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