[Java] Re-introduce glibc versioning checks, but only up to 2.34

diff --git a/genbindings.sh b/genbindings.sh
index 2e07752a7b8b9b352248b036bedcc846afb6472c..975831f7fe4b6bf321c6f2e351fedd8919eb6b88 100755 (executable)
--- a/genbindings.sh
+++ b/genbindings.sh
@@ -341,6 +341,21 @@ else
                $COMPILE -o bindings.o -c -O3 -I"$1"/lightning-c-bindings/include/ $2 src/main/jni/bindings.c
                $COMPILE $LINK -o liblightningjni_release$LDK_TARGET_SUFFIX.so -O3 $2 bindings.o $LDK_LIB -lm
                [ "$IS_APPLE_CLANG" != "true" ] && llvm-strip liblightningjni_release$LDK_TARGET_SUFFIX.so
+
+               if [ "$IS_MAC" = "false" -a "$4" = "false" ]; then
+                       GLIBC_SYMBS="$(objdump -T liblightningjni_release$LDK_TARGET_SUFFIX.so | grep GLIBC_ | grep -v "GLIBC_2\.\(2\|3\)\(\.\|)\)" | grep -v "GLIBC_2.\(3\.4\|14\|17\|18\|25\|28\|29\|32\|33\|34\|\))" || echo)"
+                       if [ "$GLIBC_SYMBS" != "" ]; then
+                               echo "Unexpected glibc version dependency! Some users need glibc 2.35 support, symbols for newer glibcs cannot be included."
+                               echo "$GLIBC_SYMBS"
+                               exit 1
+                       fi
+                       REALLOC_ARRAY_SYMBS="$(objdump -T liblightningjni_release$LDK_TARGET_SUFFIX.so | grep reallocarray || echo)"
+                       if [ "$REALLOC_ARRAY_SYMBS" != "" ]; then
+                               echo "Unexpected reallocarray dependency!"
+                               exit 1
+                       fi
+               fi
+
                if [ "$LDK_JAR_TARGET" = "true" ]; then
                        # Copy to JNI native directory for inclusion in JARs
                        mkdir -p src/main/resources/