[Buildroot] [PATCH v3 6/7] package/zsh: Enable dynamic modules

[Norbert Lange <nolange79@gmail.com>]

The autoconf scripts seem to assume that no dynamic loader
is available if crosscompiling.
This results in only a small set of modules being enabled
and linked statically.

For comparison, debian patches the fallback to enable
dynamic modules (unconditionally).

This commit enables modules if shared libraries are enabled.

Signed-off-by: Norbert Lange <nolange79@gmail.com>

---
v1:
-   so far only tested with glibc
---
 package/zsh/zsh.mk | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/package/zsh/zsh.mk b/package/zsh/zsh.mk
index c5ab7c2fae..c26a00c430 100644
--- a/package/zsh/zsh.mk
+++ b/package/zsh/zsh.mk
@@ -36,6 +36,14 @@ else
 ZSH_CONF_OPTS += --disable-pcre
 endif
 
+ifneq ($(BR2_STATIC_LIBS),y)
+# zsh assumes shared libs to be not available when crosscompiling
+ZSH_CONF_OPTS += zsh_cv_shared_environ=yes zsh_cv_shared_tgetent=yes \
+	zsh_cv_shared_tigetstr=yes zsh_cv_sys_dynamic_clash_ok=yes \
+	zsh_cv_sys_dynamic_rtld_global=yes zsh_cv_sys_dynamic_execsyms=yes \
+	zsh_cv_sys_dynamic_strip_exe=yes zsh_cv_sys_dynamic_strip_lib=yes
+endif
+
 # 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
-- 
2.34.1

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