kea: Remove -fvisibility-inlines-hidden from C++ flags

This fixes build with gcc-14, where default visibility is extended to
inline functions and getAll() function now falls into this category
and functions are marked hidden resulting in linking errors

Fixes
/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/kea/2.5.8/recipe-sysroot-native/usr/bin/x86_64-oe-linux/../../libexec/x86_64-oe-linux/gcc/x86_64-oe-linux/14.0.1/ld: ./.libs/libdhcp4.a(dhcp4_srv.o): in function `isc::dhcp::Dhcpv4Srv::appendRequestedVendorOptions(isc::dhcp::Dhcpv4Exchange&)':
/usr/src/debug/kea/2.5.8/src/bin/dhcp4/dhcp4_srv.cc:2356:(.text+0xaac2): undefined reference to `isc::dhcp::CfgOption::getAll(unsigned int) const'
/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/kea/2.5.8/recipe-sysroot-native/usr/bin/x86_64-oe-linux/../../libexec/x86_64-oe-linux/gcc/x86_64-oe-linux/14.0.1/ld: ./.libs/libdhcp4.a(dhcp4_srv.o): in function `isc::dhcp::OptionDescriptor isc::dhcp::CfgOption::get<unsigned int>(unsigned int const&, unsigned short) const':
/usr/src/debug/kea/2.5.8/src/lib/dhcpsrv/cfg_option.h:609:(.text+0xb288): undefined reference to `isc::dhcp::CfgOption::getAll(unsigned int) const'
/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/kea/2.5.8/recipe-sysroot-native/usr/bin/x86_64-oe-linux/../../libexec/x86_64-oe-linux/gcc/x86_64-oe-linux/14.0.1/ld: ./.libs/libdhcp4.a(dhcp4_srv.o): in function `isc::dhcp::Dhcpv4Srv::appendRequestedOptions(isc::dhcp::Dhcpv4Exchange&)':
/usr/src/debug/kea/2.5.8/src/bin/dhcp4/dhcp4_srv.cc:2128:(.text+0xc556): undefined reference to `isc::dhcp::CfgOption::getAll(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const'
/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/kea/2.5.8/recipe-sysroot-native/usr/bin/x86_64-oe-linux/../../libexec/x86_64-oe-linux/gcc/x86_64-oe-linux/14.0.1/ld: ./.libs/libdhcp4.a(dhcp4_srv.o): in function `std::vector<isc::dhcp::OptionDescriptor, std::allocator<isc::dhcp::OptionDescriptor> > isc::dhcp::CfgOption::getList<char [6]>(char const (&) [6], unsigned short) const':
/usr/src/debug/kea/2.5.8/src/lib/dhcpsrv/cfg_option.h:641:(.text._ZNK3isc4dhcp9CfgOption7getListIA6_cEESt6vectorINS0_16OptionDescriptorESaIS5_EERKT_t[_ZNK3isc4dhcp9CfgOption7getListIA6_cEESt6vectorINS0_16OptionDescriptorESaIS5_EERKT_t]+0x86): undefined reference to `isc::dhcp::CfgOption::getAll(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const'
/OE/build/oe-core/tmp-glibc/work/core2-64-oe-linux/kea/2.5.8/recipe-sysroot-native/usr/bin/x86_64-oe-linux/../../libexec/x86_64-oe-linux/gcc/x86_64-oe-linux/14.0.1/ld: ./.libs/libdhcp4.a(dhcp4_srv.o): in function `isc::dhcp::OptionDescriptor isc::dhcp::CfgOption::get<char [6]>(char const (&) [6], unsigned short) const':
/usr/src/debug/kea/2.5.8/src/lib/dhcpsrv/cfg_option.h:609:(.text._ZNK3isc4dhcp9CfgOption3getIA6_cEENS0_16OptionDescriptorERKT_t[_ZNK3isc4dhcp9CfgOption3getIA6_cEENS0_16OptionDescriptorERKT_t]+0x77): undefined reference to `isc::dhcp::CfgOption::getAll(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) const'
collect2: error: ld returned 1 exit status
make[5]: *** [Makefile:651: kea-dhcp4] Error 1

(From OE-Core rev: a68a3d40bf9226158d2c6433d3124be82eb02c63)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 584940c2f3234bfaf579429e162e683934e86538)
Signed-off-by: Steve Sakoman <steve@sakoman.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/meta/recipes-connectivity/kea/kea_2.4.1.bb b/meta/recipes-connectivity/kea/kea_2.4.1.bb
index 9f8758f379..fcdb4889d9 100644
--- a/meta/recipes-connectivity/kea/kea_2.4.1.bb
+++ b/meta/recipes-connectivity/kea/kea_2.4.1.bb
@@ -38,6 +38,7 @@ DEBUG_OPTIMIZATION:append:mipsel = " -O"
 BUILD_OPTIMIZATION:remove:mipsel = " -Og"
 BUILD_OPTIMIZATION:append:mipsel = " -O"
 
+CXXFLAGS:remove = "-fvisibility-inlines-hidden"
 EXTRA_OECONF = "--with-boost-libs=-lboost_system \
                 --with-log4cplus=${STAGING_DIR_TARGET}${prefix} \
                 --with-openssl=${STAGING_DIR_TARGET}${prefix}"