Not all C libraries implement the new resolver APIs e.g. musl, therefore keep the old interfaces around and choose using __RES version macro which is meant for this kind of work.
Signed-off-by: Khem Raj <[email protected]> Cc: Alexander Kanavin <[email protected]> --- ...vrec-Keep-support-for-older-resolver.patch | 44 +++++++++++++++++++ meta/recipes-devtools/apt/apt_2.2.2.bb | 3 +- 2 files changed, 46 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-devtools/apt/apt/0001-srvrec-Keep-support-for-older-resolver.patch diff --git a/meta/recipes-devtools/apt/apt/0001-srvrec-Keep-support-for-older-resolver.patch b/meta/recipes-devtools/apt/apt/0001-srvrec-Keep-support-for-older-resolver.patch new file mode 100644 index 0000000000..94d67a87ac --- /dev/null +++ b/meta/recipes-devtools/apt/apt/0001-srvrec-Keep-support-for-older-resolver.patch @@ -0,0 +1,44 @@ +From f98c12b9f04ef3a9daec822c210044095b41a0ac Mon Sep 17 00:00:00 2001 +From: Khem Raj <[email protected]> +Date: Sat, 20 Mar 2021 12:33:34 -0700 +Subject: [PATCH] srvrec: Keep support for older resolver + +Some C libraries e.g. musl do not implement the new res_n* APIs +therefore keep the old implementation as fallback and check __RES +version macro to determine the API level + +Upstream-Status: Submitted [https://github.com/Debian/apt/pull/129] +Signed-off-by: Khem Raj <[email protected]> +Cc: Julian Andres Klode <[email protected]> +--- + apt-pkg/contrib/srvrec.cc | 7 +++++++ + 1 file changed, 7 insertions(+) + +diff --git a/apt-pkg/contrib/srvrec.cc b/apt-pkg/contrib/srvrec.cc +index 4ca208273..3eb5f1d4c 100644 +--- a/apt-pkg/contrib/srvrec.cc ++++ b/apt-pkg/contrib/srvrec.cc +@@ -62,6 +62,7 @@ bool GetSrvRecords(std::string name, std::vector<SrvRec> &Result) + unsigned char answer[PACKETSZ]; + int answer_len, compressed_name_len; + int answer_count; ++#if __RES >= 19991006 + struct __res_state res; + + if (res_ninit(&res) != 0) +@@ -71,6 +72,12 @@ bool GetSrvRecords(std::string name, std::vector<SrvRec> &Result) + std::shared_ptr<void> guard(&res, res_nclose); + + answer_len = res_nquery(&res, name.c_str(), C_IN, T_SRV, answer, sizeof(answer)); ++#else ++ if (res_init() != 0) ++ return _error->Errno("res_init", "Failed to init resolver"); ++ ++ answer_len = res_query(name.c_str(), C_IN, T_SRV, answer, sizeof(answer)); ++#endif //__RES >= 19991006 + if (answer_len == -1) + return false; + if (answer_len < (int)sizeof(HEADER)) +-- +2.31.0 + diff --git a/meta/recipes-devtools/apt/apt_2.2.2.bb b/meta/recipes-devtools/apt/apt_2.2.2.bb index b838495da8..7ee661d4c8 100644 --- a/meta/recipes-devtools/apt/apt_2.2.2.bb +++ b/meta/recipes-devtools/apt/apt_2.2.2.bb @@ -10,8 +10,9 @@ SRC_URI = "${DEBIAN_MIRROR}/main/a/apt/${BPN}_${PV}.tar.xz \ file://0001-Disable-documentation-directory-altogether.patch \ file://0001-Fix-musl-build.patch \ file://0001-CMakeLists.txt-avoid-changing-install-paths-based-on.patch \ + file://0001-srvrec-Keep-support-for-older-resolver.patch \ " - + SRC_URI_append_class-native = " \ file://0001-Do-not-init-tables-from-dpkg-configuration.patch \ file://0001-Revert-always-run-dpkg-configure-a-at-the-end-of-our.patch \ -- 2.31.0
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