Previously there would be one email for the open failure and a
separate one describing the parse error. Now a single email message
contains everything.
Do not use AX_APPEND_FLAG as it will break static builds by removing
duplicates such as -lz or -latomic which are needed by -lssl and
-lcrypto. This will fix the following build failure with sparc which
needs -latomic:
Checking for X509_STORE_CTX_get0_cert
configure:21215: /home/thomas/autobuild/instance-3/output-1/host/bin/sparc-buildroot-linux-uclibc-gcc -o conftest -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Os -g0 -static -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -DZLIB_CONST -static conftest.c -L/home/thomas/autobuild/instance-3/output-1/host/bin/../sparc-buildroot-linux-uclibc/sysroot/usr/lib -lssl -lz -pthread -latomic -lcrypto >&5
/home/thomas/autobuild/instance-3/output-1/host/lib/gcc/sparc-buildroot-linux-uclibc/10.4.0/../../../../sparc-buildroot-linux-uclibc/bin/ld: /home/thomas/autobuild/instance-3/output-1/host/bin/../sparc-buildroot-linux-uclibc/sysroot/usr/lib/libcrypto.a(x509cset.o): in function `X509_CRL_up_ref':
x509cset.c:(.text+0x108): undefined reference to `__atomic_fetch_add_4'
[...]
In file included from ./hostcheck.c:38:
../../include/sudo_compat.h:342:41: error: conflicting types for 'ASN1_STRING_data'
342 | # define ASN1_STRING_get0_data(x) ASN1_STRING_data(x)
| ^~~~~~~~~~~~~~~~
Fixes:
- http://autobuild.buildroot.org/results/8be59dd94e4916f9457cb435104e36e62a28373b
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
We have to replace argv[0] with the pathname for the policy check
but want to restore it afterwards if the policy has not changed the
command's path name to avoid a mismatch later on.
If the compiler supports [[noreturn]] as a attribute as in C23,
then we define sudo_noreturn to be it. When that's the case, we must place
it at the beginning of the declaration, before any other *extension*
attributes (__attribute(...)).
A bug has been filed with GCC regarding rejecting/accepting mixed
attribute styles.
sudo_dso_public is always an extension attribute, while sudo_noreturn only
might be, so put it first.
This only shows up with GCC 13 so far (see the linked GCC bug for a bit more
exploration). Clang 16 does support the attribute but doesn't let you use it
for earlier language versions (need to pass explicit -std=c2x, unlike with GCC here).
This is essentially a followup to e707ffe58b.
Tested with GCC 13.0.1 20230212 (unreleased), GCC 12.2.1 20230211,
Clang 16.0.0_rc2, and Clang 15.0.7.
Bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108796
Closes: https://github.com/sudo-project/sudo/issues/239
Fixes: e707ffe58b
Fixes: 16ae61dcd7
