wayland/egl/wayland-egl-symbols-check
Martin Lopatář 6ef7947c93 build: Fix build and tests on macOS
This commit addresses several compatibility issues that prevented Wayland
from building and passing its test suite on macOS

Core and Compatibility changes:
- Emulate Linux behavior by explicitly setting O_NONBLOCK on connections
  (fixes blocking sendmsg issues on macOS).
- Fix compilation on platforms missing SOCK_CLOEXEC and MSG_CMSG_CLOEXEC.
- Implement wl_os_socket_peercred() using LOCAL_PEERPID for macOS.
- Ensure availability of struct itimerspec (required for POSIX Timers API).

Test suite fixes:
- Add socketpair_cloexec() wrapper to handle platforms without atomic
  SOCK_CLOEXEC support.
- Add implementation of memrchr() for platforms that do not provide it.
- Implement is_debugger_attached() for macOS to handle test timeouts.
- Fix tests to handle Mach-O binary format (instead of ELF).
- Update egl-symbols-check to support macOS *.dylib Mach-O libraries.

Build system:
- Add meson option 'xml_catalog' to allow specifying custom catalog paths.

Signed-off-by: Martin Lopatář <lopin@dataplex.cz>
2026-03-21 00:50:30 +01:00

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#!/bin/sh
set -eu
RET=0
LIB=${WAYLAND_EGL_LIB}
if ! test -f "$LIB"; then
echo "Test binary \"$LIB\" does not exist"
exit 99
fi
if ! test -n "$NM"; then
echo "nm environment variable not set"
exit 99
fi
case "$LIB" in
*.dylib) AVAIL_FUNCS="$($NM -g --format=bsd --defined-only $LIB | awk '{sub(/^_/,"",$3);print $3}')" ;;
*.so|*.so.*) AVAIL_FUNCS="$($NM -D --format=bsd --defined-only $LIB | awk '{print $3}')" ;;
esac
# Official ABI, taken from the header.
REQ_FUNCS="wl_egl_window_resize
wl_egl_window_create
wl_egl_window_destroy
wl_egl_window_get_attached_size
"
NEW_ABI=$(echo "$AVAIL_FUNCS" | while read func; do
echo "$func" | grep -q "^_" && continue
echo "$REQ_FUNCS" | grep -q "^$func$" && continue
echo $func
done)
if test -n "$NEW_ABI"; then
echo "New ABI detected - If intentional, update the test."
echo "$NEW_ABI"
RET=1
fi
REMOVED_ABI=$(echo "$REQ_FUNCS" | while read func; do
echo "$AVAIL_FUNCS" | grep -q "^$func$" && continue
echo $func
done)
if test -n "$REMOVED_ABI"; then
echo "ABI break detected - Required symbol(s) no longer exported!"
echo "$REMOVED_ABI"
RET=1
fi
exit $RET