jansson hard-codes -Wl,--default-symver on glibc, which ld.lld does not understand. Probe the linker for the option before using it so the recipe builds with the clang/lld toolchain as well as GNU ld.
Signed-off-by: Khem Raj <[email protected]> --- ...se-default-symver-when-the-linker-su.patch | 45 +++++++++++++++++++ .../jansson/jansson_2.15.0.bb | 4 +- 2 files changed, 48 insertions(+), 1 deletion(-) create mode 100644 meta/recipes-extended/jansson/jansson/0001-configure-only-use-default-symver-when-the-linker-su.patch diff --git a/meta/recipes-extended/jansson/jansson/0001-configure-only-use-default-symver-when-the-linker-su.patch b/meta/recipes-extended/jansson/jansson/0001-configure-only-use-default-symver-when-the-linker-su.patch new file mode 100644 index 0000000000..eb0c459f68 --- /dev/null +++ b/meta/recipes-extended/jansson/jansson/0001-configure-only-use-default-symver-when-the-linker-su.patch @@ -0,0 +1,45 @@ +From 7c44ab421c725ea6fed358f435c5461c0096f852 Mon Sep 17 00:00:00 2001 +From: Khem Raj <[email protected]> +Date: Wed, 24 Jun 2026 14:04:19 -0700 +Subject: [PATCH] configure: only use --default-symver when the linker supports + it + +jansson enables symbol versioning on glibc by passing +-Wl,--default-symver to the linker. This is a GNU ld option which is +not understood by every linker, e.g. ld.lld errors out with: + + ld.lld: error: unknown argument '--default-symver' + +Probe the linker with a link test before adding the flag so the build +works with both GNU ld and lld. When the linker does not accept the +option the symbol versioning provided by the explicit version script +is still applied; only the implicit default version is dropped. + +Upstream-Status: Submitted [https://github.com/akheron/jansson/pull/744] +Signed-off-by: Khem Raj <[email protected]> +--- + configure.ac | 11 ++++++++++- + 1 file changed, 10 insertions(+), 1 deletion(-) + +diff --git a/configure.ac b/configure.ac +index e5c126a..1bb8b34 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -135,7 +135,16 @@ AC_SUBST(JSON_BSYMBOLIC_LDFLAGS) + + # Enable symbol versioning on GNU libc + JSON_SYMVER_LDFLAGS= +-AC_CHECK_DECL([__GLIBC__], [JSON_SYMVER_LDFLAGS=-Wl,--default-symver]) ++AC_CHECK_DECL([__GLIBC__], [ ++ saved_LDFLAGS="$LDFLAGS" ++ LDFLAGS="$LDFLAGS -Wl,--default-symver" ++ AC_MSG_CHECKING([whether the linker accepts -Wl,--default-symver]) ++ AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[]])], ++ [AC_MSG_RESULT([yes]) ++ JSON_SYMVER_LDFLAGS=-Wl,--default-symver], ++ [AC_MSG_RESULT([no])]) ++ LDFLAGS="$saved_LDFLAGS" ++]) + AC_SUBST([JSON_SYMVER_LDFLAGS]) + + AC_ARG_ENABLE([dtoa], diff --git a/meta/recipes-extended/jansson/jansson_2.15.0.bb b/meta/recipes-extended/jansson/jansson_2.15.0.bb index fda7a54ed8..1a0b6f24ac 100644 --- a/meta/recipes-extended/jansson/jansson_2.15.0.bb +++ b/meta/recipes-extended/jansson/jansson_2.15.0.bb @@ -5,7 +5,9 @@ LICENSE = "MIT & dtoa" LIC_FILES_CHKSUM = "file://LICENSE;md5=d9911525d4128bee234ee2d3ccaa2537" GITHUB_BASE_URI = "https://github.com/akheron/jansson/releases"; -SRC_URI = "${GITHUB_BASE_URI}/download/v${PV}/${BP}.tar.gz" +SRC_URI = "${GITHUB_BASE_URI}/download/v${PV}/${BP}.tar.gz \ + file://0001-configure-only-use-default-symver-when-the-linker-su.patch \ + " SRC_URI[sha256sum] = "070a629590723228dc3b744ae90e965a569efb9c535b3309b52e80e75d8eb3be"
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