[Buildroot] [git commit] package/zsh: enable static regex module

[Buildroot] [git commit] package/zsh: enable static regex module

[Arnout Vandecappelle]

commit: https://git.buildroot.net/buildroot/commit/?id=ceb261cb4281e0d76f76724a30bf7e61ef59bef1
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

the builtin string =~ regexp operator needs to load the regex
module. This operator is used very often in zsh scripts, so
link it statically to avoid the overhead of dynamic loading.

Signed-off-by: Norbert Lange <nolange79@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
---
 package/zsh/zsh.mk | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/package/zsh/zsh.mk b/package/zsh/zsh.mk
index f03a2e6982..4897620a00 100644
--- a/package/zsh/zsh.mk
+++ b/package/zsh/zsh.mk
@@ -49,6 +49,12 @@ ZSH_CONF_OPTS += \
 	zsh_cv_sys_dynamic_strip_lib=yes
 endif
 
+# regex is commonly used by completion scripts, link it statically
+define ZSH_USE_STATIC_REGEX_MODULE
+	$(SED) 's,echo dynamic,echo static,' $(@D)/Src/Modules/regex.mdd
+endef
+ZSH_POST_PATCH_HOOKS += ZSH_USE_STATIC_REGEX_MODULE
+
 # Add /bin/zsh to /etc/shells otherwise some login tools like dropbear
 # can reject the user connection. See man shells.
 define ZSH_ADD_ZSH_TO_SHELLS
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