From 9d624aa4e88e5eb4b0df90060dcd40e518a7458b Mon Sep 17 00:00:00 2001
From: CoprDistGit <infra@openeuler.org>
Date: Wed, 15 Jan 2025 06:47:29 +0000
Subject: automatic import of openEuler-rpm-config

---
 brp-check-elf-files | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 brp-check-elf-files

(limited to 'brp-check-elf-files')

diff --git a/brp-check-elf-files b/brp-check-elf-files
new file mode 100644
index 0000000..d9db6b0
--- /dev/null
+++ b/brp-check-elf-files
@@ -0,0 +1,37 @@
+#!/bin/sh
+# Check elf files
+
+if [ -z "$RPM_BUILD_ROOT" ]; then
+	echo "No build root defined" >&2
+	exit 1
+fi
+
+if [ ! -d "$RPM_BUILD_ROOT" ]; then
+	echo "Invalid build root" >&2
+	exit 1
+fi
+
+LIB="$(rpm --eval %{_lib})"
+export LD_LIBRARY_PATH="$RPM_BUILD_ROOT/$LIB:$RPM_BUILD_ROOT/usr/$LIB"
+
+find "$RPM_BUILD_ROOT" -type f \( -executable -o -name \*.so\* \) -a \
+	\( ! -path $RPM_BUILD_ROOT/usr/lib/debug/\* -a \
+	   ! -path $RPM_BUILD_ROOT/usr/src/debug/\* \) \
+	-print0 |
+xargs  --no-run-if-empty -0 file -N -L |
+grep -e '\.so.*: ELF.*shared' -e ': ELF.*executable' |
+while read match; do
+	path="$(echo $match | cut -d':' -f1)"
+	syspath="$(echo $path | sed -e "s#^$RPM_BUILD_ROOT##")"
+	unused_libs="$(ldd -u -r $path 2> /dev/null | grep /)"
+	if [ -n "$unused_libs" ]; then
+		printf '%s\n' "Warning: unused libraries in $syspath: " >&2
+		printf '%s\n' "$unused_libs" >&2
+	fi
+	if echo $match |grep -q shared; then
+		undefined_symbols="$(ldd -r $path 2>&1 | grep '^undefined symbol: '| sed -e 's#^undefined symbol:##g' -e "s#($path).*##g" | tr -d '\n' | tr -d '\t')"
+		if [ -n "$undefined_symbols" ]; then
+			printf '%s\n' "Warning: undefined symbols in $syspath:$undefined_symbols" >&2
+		fi
+	fi
+done
-- 
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