build: libtrace: errors due to undeclared stat64/lstat64 structs (musl libc)

[kmk3]

Description

The build_src_package (Alpine/musl) GitLab CI job is currently failing.

Steps to Reproduce

From https://gitlab.com/Firejail/firejail_ci/-/jobs/8853165146:

install/configure

$ apk add build-base linux-headers gawk
(1/23) Installing libgcc (14.2.0-r4)
(2/23) Installing jansson (2.14-r4)
(3/23) Installing libstdc++ (14.2.0-r4)
(4/23) Installing zstd-libs (1.5.6-r2)
(5/23) Installing binutils (2.43.1-r1)
(6/23) Installing libmagic (5.46-r2)
(7/23) Installing file (5.46-r2)
(8/23) Installing libgomp (14.2.0-r4)
(9/23) Installing libatomic (14.2.0-r4)
(10/23) Installing gmp (6.3.0-r2)
(11/23) Installing isl26 (0.26-r1)
(12/23) Installing mpfr4 (4.2.1-r0)
(13/23) Installing mpc1 (1.3.1-r1)
(14/23) Installing gcc (14.2.0-r4)
(15/23) Installing libstdc++-dev (14.2.0-r4)
(16/23) Installing musl-dev (1.2.5-r8)
(17/23) Installing g++ (14.2.0-r4)
(18/23) Installing make (4.4.1-r2)
(19/23) Installing fortify-headers (1.1-r5)
(20/23) Installing patch (2.7.6-r10)
(21/23) Installing build-base (0.5-r3)
(22/23) Installing gawk (5.3.1-r0)
(23/23) Installing linux-headers (6.6-r1)
Executing busybox-1.37.0-r9.trigger
OK: 250 MiB in 38 packages
$ ./ci/printenv.sh
nproc:  2
kernel: Linux 5.15.154+ #1 SMP Sat May 4 12:14:42 UTC 2024 x86_64
distro: Alpine Linux v3.21
sh:     /bin/busybox
user:   uid=0(root) gid=0(root)

[/etc/os-release]
NAME="Alpine Linux"
ID=alpine
VERSION_ID=3.21.2
PRETTY_NAME="Alpine Linux v3.21"
HOME_URL="https://alpinelinux.org/"
BUG_REPORT_URL="https://gitlab.alpinelinux.org/alpine/aports/-/issues"
$ ./configure --prefix=/usr || (cat config.log; exit 1)
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether gcc accepts -g... yes
checking for gcc option to enable C11 features... none needed
checking for codespell... no
checking for cppcheck... no
checking for gawk... gawk
checking for gzip... gzip
checking for scan-build... no
checking for strip... strip
checking for tar... tar
checking whether C compiler accepts -MMD -MP... yes
checking whether C compiler accepts -D_FORTIFY_SOURCE=2... yes
checking whether C compiler accepts -mindirect-branch=thunk... yes
checking whether C compiler accepts -fstack-clash-protection... yes
checking whether C compiler accepts -fstack-protector-strong... yes
checking for pkg-config... no
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for linux/landlock.h... yes
checking for linux/seccomp.h... yes
configure: creating ./config.status
config.status: creating config.mk
config.status: creating config.sh

Compile options:
   CC: gcc
   CFLAGS: -g -O2
   CPPFLAGS: 
   LDFLAGS: 
   EXTRA_CFLAGS:  -D_FORTIFY_SOURCE=2 -mindirect-branch=thunk -fstack-clash-protection -fstack-protector-strong
   DEPS_CFLAGS:  -MMD -MP
   EXTRA_LDFLAGS: 
   LIBS: 
   fatal warnings: 
   gcov instrumentation: 
   install as a SUID executable: -DHAVE_SUID
   install contrib scripts: yes
   prefix: /usr
   sysconfdir: /etc
   Spectre compiler patch: yes

Features:
   allow tmpfs as regular user: -DHAVE_USERTMPFS
   always enforce filters: 
   apparmor: 
   busybox workaround: no
   chroot: -DHAVE_CHROOT
   DBUS proxy support: -DHAVE_DBUSPROXY
   disable user profiles: 
   enable --output logging: -DHAVE_OUTPUT
   file transfer support: -DHAVE_FILE_TRANSFER
   global config: -DHAVE_GLOBALCFG
   IDS support: 
   Landlock support: -DHAVE_LANDLOCK
   manpage support: -DHAVE_MAN
   network: -DHAVE_NETWORK
   overlayfs support: 
   private home support: -DHAVE_PRIVATE_HOME
   private lib support: 
   sandbox check: -DHAVE_SANDBOX_CHECK
   SELinux labeling support: 
   user namespace: -DHAVE_USERNS
   X11 sandboxing support: -DHAVE_X11

Errors:

$ make
[...]
make -C src/libtrace/
make[1]: Entering directory '/builds/Firejail/firejail_ci/src/libtrace'
gcc -ggdb -O2 -DVERSION='"0.9.73"' -Wall -Wextra  -Wformat -Wformat-security -fstack-protector-all -DPREFIX='"/usr"' -DSYSCONFDIR='"/etc/firejail"' -DLIBDIR='"/usr/lib"' -DBINDIR='"/usr/bin"' -DVARDIR='"/var/lib/firejail"' -MMD -MP -fPIC -g -O2  -c ../../src/libtrace/libtrace.c -o ../../src/libtrace/libtrace.o
../../src/libtrace/libtrace.c:451:59: warning: 'struct stat64' declared inside parameter list will not be visible outside of this definition or declaration
  451 | typedef int (*orig_stat64_t)(const char *pathname, struct stat64 *statbuf);
      |                                                           ^~~~~~
../../src/libtrace/libtrace.c:453:41: warning: 'struct stat64' declared inside parameter list will not be visible outside of this definition or declaration
  453 | int stat64(const char *pathname, struct stat64 *statbuf) {
      |                                         ^~~~~~
../../src/libtrace/libtrace.c: In function 'stat64':
../../src/libtrace/libtrace.c:457:40: error: passing argument 2 of 'orig_stat64' from incompatible pointer type [-Wincompatible-pointer-types]
  457 |         int rv = orig_stat64(pathname, statbuf);
      |                                        ^~~~~~~
      |                                        |
      |                                        struct stat64 *
../../src/libtrace/libtrace.c:457:40: note: expected 'struct stat64 *' but argument is of type 'struct stat64 *'
../../src/libtrace/libtrace.c: At top level:
../../src/libtrace/libtrace.c:476:60: warning: 'struct stat64' declared inside parameter list will not be visible outside of this definition or declaration
  476 | typedef int (*orig_lstat64_t)(const char *pathname, struct stat64 *statbuf);
      |                                                            ^~~~~~
../../src/libtrace/libtrace.c:478:42: warning: 'struct stat64' declared inside parameter list will not be visible outside of this definition or declaration
  478 | int lstat64(const char *pathname, struct stat64 *statbuf) {
      |                                          ^~~~~~
../../src/libtrace/libtrace.c: In function 'lstat64':
../../src/libtrace/libtrace.c:482:41: error: passing argument 2 of 'orig_lstat64' from incompatible pointer type [-Wincompatible-pointer-types]
  482 |         int rv = orig_lstat64(pathname, statbuf);
      |                                         ^~~~~~~
      |                                         |
      |                                         struct stat64 *
../../src/libtrace/libtrace.c:482:41: note: expected 'struct stat64 *' but argument is of type 'struct stat64 *'
make[1]: Leaving directory '/builds/Firejail/firejail_ci/src/libtrace'
make[1]: *** [../../src/so.mk:25: ../../src/libtrace/libtrace.o] Error 1
make: *** [Makefile:72: src/libtrace/libtrace.so] Error 2

Environment

• Name/version/arch of the Linux kernel (uname -srm): Linux 5.15.154+ #1 SMP Sat May 4 12:14:42 UTC 2024 x86_64
• Name/version of the Linux distribution (e.g. "Ubuntu 20.04" or "Arch Linux"):
  Alpine Linux v3.21
• Name/version of the C compiler (e.g. "gcc 14.1.1-1"): gcc (14.2.0-r4)
• Name/version of the libc (e.g. "glibc 2.40-1"): musl-dev (1.2.5-r8)
• Name/version of the Linux API headers (e.g. "linux-api-headers 6.10-1" on
  Arch Linux): linux-headers (6.6-r1)
• Version of the source code being built (git rev-parse HEAD):
  e6de48c

Relates to:

• build: Error: symbol `fopen64' is already defined (custom time/offset bits) #5906
• build: libtrace(log) warnings on Alpine #6224