[João Valverde <j@xxxxxx>]

Hi,

You would have a better chance of receiving helpful feedback on the 
CMake side of things if you also described the actual error in detail.

On 17/01/22 02:01, Glen Huang wrote:
> Hi,
>
> I’m trying to create an OpenWrt package for Wireshark.
>
> I think I’m pretty close. However, I got stuck at lemon, which if I’m not wrong, should be compiled by my build machine’s compiler. From the source code, I found out it supports the LEMON_C_COMPILER variable, which I assigned with the build machine’s compiler, but after compiling, CMAKE used the target platform’s linking flags for linking, which apparently failed. I’m not very familiar with CMAKE, so would appreciate some help.
>
> Cross-compiling has cropped up here a few times in the past decades, but the ones I managed to find are all pertaining to Wireshark’s autotools era, so they’re not particularly helpful, at least for my limited knowledge in this area.
>
> Here is the OpenWrt package’s Makefile I have come up with so far:
>
> include $(TOPDIR)/rules.mk
>
> PKG_NAME:=wireshark
> PKG_VERSION:=3.6.1
> PKG_RELEASE:=1
>
> PKG_SOURCE_URL:=https://www.wireshark.org/download/src/
> PKG_SOURCE:=wireshark-$(PKG_VERSION).tar.xz
> PKG_HASH:=0434eda8fb6bf88e2b42a67eb5d1de254a67d505bec3bb51fee9d7cad7925a38
>
> PKG_BUILD_PARALLEL:=1
> CMAKE_INSTALL:=1
>
> include $(INCLUDE_DIR)/package.mk
> include $(INCLUDE_DIR)/cmake.mk
>
> define Package/wireshark
>    SECTION:=net
>    CATEGORY:=Network
>    TITLE:=Network protocol analyzer
>    URL:=https://www.wireshark.org/
>    DEPENDS:=+libpcap +glib2 +libgcrypt +libcares
> endef
>
> define Package/wireshark/description
>          Network protocol analyzer
> endef
>
> CMAKE_OPTIONS += \
>          -DCMAKE_CROSSCOMPILING=1 \
>          -DHAVE_C99_VSNPRINTF=TRUE \
>          -DLEMON_C_COMPILER=$(CMAKE_HOST_C_COMPILER) \
>          -DBUILD_wireshark=OFF \
>          -DBUILD_androiddump=OFF \
>          -DBUILD_ciscodump=OFF \
>          -DBUILD_idl2wrs=OFF
>
> define Package/wireshark/install
>          # figure out later
> endef
>
> $(eval $(call BuildPackage,wireshark))
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