77 lines
2.6 KiB
Bash
77 lines
2.6 KiB
Bash
#!/bin/bash
|
|
|
|
# Script originally based on GTK+'s own abicheck.sh; it should be run anytime
|
|
# there is a change in the stable branch of wxWidgets which could lead to an
|
|
# ABI breakage and thus result in a binary-incompatible change (see tech docs).
|
|
#
|
|
|
|
|
|
expected_abi_file="expected_abi"
|
|
actual_abi_file="actual_abi"
|
|
|
|
if [[ "$1" == "--generate" ]]; then
|
|
|
|
# IMPORTANT: we need a shared build of wxWidgets to proceed
|
|
if [[ $(echo *.so) == "*.so" ]]; then
|
|
echo "No shared objects (*.so) were found... aborting"
|
|
exit 1
|
|
fi
|
|
|
|
# generated the "expected ABI" for later comparison
|
|
rm -f $expected_abi_file
|
|
for library in *.so; do
|
|
# NOTE: don't use -C option as otherwise cut won't work correctly
|
|
nm -D -g --defined-only $library | cut -d ' ' -f 3 | sort >>$expected_abi_file
|
|
done
|
|
|
|
echo "Expected wxWidgets ABI generated in \"$expected_abi_file\"..."
|
|
|
|
elif [[ -z "$1" ]]; then
|
|
|
|
if [[ ! -f "$expected_abi_file" ]]; then
|
|
echo "The file containing the expected wxWidgets ABI '$expected_abi_file' does not exist!"
|
|
echo "Please generate it first using the '--generate' option"
|
|
exit 1
|
|
fi
|
|
|
|
echo "Comparing actual ABI with the expected ABI (loading it from \"$expected_abi_file\")..."
|
|
|
|
# IMPORTANT: we need a shared build of wxWidgets to do the check
|
|
if [[ $(echo *.so) == "*.so" ]]; then
|
|
echo "No shared objects (*.so) were found... aborting"
|
|
exit 1
|
|
fi
|
|
|
|
rm -f $actual_abi_file
|
|
for library in *.so; do
|
|
# NOTE: don't use -C option as otherwise cut won't work correctly
|
|
nm -D -g --defined-only $library | cut -d ' ' -f 3 | sort >>$actual_abi_file
|
|
done
|
|
|
|
result=`diff -u $expected_abi_file $actual_abi_file`
|
|
|
|
if [[ -z "$result" ]]; then
|
|
echo "No binary (in)compatible changes were found."
|
|
else
|
|
echo "========================================================="
|
|
echo "WARNING: Possible binary-incompatible changes were found:"
|
|
echo "========================================================="
|
|
echo
|
|
echo "$result"
|
|
|
|
# this doesn't necessarly indicate that binary compatibility was surely
|
|
# broken; e.g. adding non-virtual methods will generate a new line in the
|
|
# $actual_abi_file but that's a compatible change.
|
|
fi
|
|
|
|
else
|
|
|
|
echo "Usage: $0 [--generate]"
|
|
echo "When running without options, compares the wxWidgets ABI saved in '$expected_abi_file'"
|
|
echo "with the current ABI of the .so files of the working directory."
|
|
echo "When --generate is given, saves in '$expected_abi_file' the ABI of the .so files"
|
|
echo "(for later comparisons)."
|
|
|
|
fi
|
|
|