This is an automated email from the git hooks/post-receive script. guillem pushed a commit to branch main in repository dpkg.
View the commit online: https://git.dpkg.org/cgit/dpkg/dpkg.git/commit/?id=6cdeaa5c8f3bee847ff79c2d30e3cae70480c882 commit 6cdeaa5c8f3bee847ff79c2d30e3cae70480c882 (HEAD -> main) Author: Guillem Jover <[email protected]> AuthorDate: Sun Feb 12 23:54:45 2023 +0100 build: Fix version script linker support detection When the linker uses --no-undefined-version either specified by the user or as the default behavior (such as with newer clang >= 16 releases), a missing symbol definition will cause a linker error if that symbol is listed in the version script. --- m4/dpkg-linker.m4 | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/m4/dpkg-linker.m4 b/m4/dpkg-linker.m4 index d3abb3087..8c62c21f4 100644 --- a/m4/dpkg-linker.m4 +++ b/m4/dpkg-linker.m4 @@ -51,7 +51,11 @@ AC_DEFUN([DPKG_LINKER_VERSION_SCRIPT], [ save_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,--version-script=conftest.map" AC_LINK_IFELSE([ - AC_LANG_PROGRAM([], []) + AC_LANG_PROGRAM([[ +extern int symbol(void); +int symbol(void) { return 0; } +]], [[ +]]) ], [ dpkg_cv_version_script=yes ], [ -- Dpkg.Org's dpkg
