[openwrt/openwrt] readline: add host PIC

[LEDE Commits]

hauke pushed a commit to openwrt/openwrt.git, branch openwrt-22.03:
https://git.openwrt.org/541acd3933b08ea01ac3af29a19372e6e50e91f1

commit 541acd3933b08ea01ac3af29a19372e6e50e91f1
Author: Rosen Penev <rosenp at gmail.com>
AuthorDate: Wed Mar 30 21:33:01 2022 -0700

    readline: add host PIC
    
    Python seems to fail to link to libreadline properly because of this.
    Not a fatal error but an error nontheless.
    
    Signed-off-by: Rosen Penev <rosenp at gmail.com>
    (cherry picked from commit b363f7488643882b9c53a1e2c6db2a110703cc1d)
---
 package/libs/readline/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/libs/readline/Makefile b/package/libs/readline/Makefile
index d14f058eab..9cf061a648 100644
--- a/package/libs/readline/Makefile
+++ b/package/libs/readline/Makefile
@@ -53,6 +53,7 @@ CONFIGURE_VARS += \
 	bash_cv_func_sigsetjmp=yes \
 
 TARGET_CFLAGS += $(FPIC)
+HOST_CFLAGS += $(FPIC)
 
 define Build/InstallDev
 	$(INSTALL_DIR) $(1)/usr/include