Hermetify

Dockerfile.lfortran

@@ -10,6 +10,8 @@ RUN apt update -y -q && apt upgrade -y -q && apt update -y -q && \
     git \
     libzstd-dev \
     llvm-12-dev \
+    ninja-build \
+    patchelf \
     python-is-python3 \
     python3 \
     re2c \

lfortran/build.sh

@@ -22,11 +22,33 @@ REVISION=$(get_remote_revision "${URL}" "${REMOTE}")
 
 initialise "${REVISION}" "${OUTPUT}" "${LAST_REVISION}"
 
-OUTPUT=$(realpath "${OUTPUT}")
-
 git clone "${URL}" --depth=1 "--branch=${BRANCH}"
-cd lfortran
-./build_release.sh
-DEST=$(realpath inst)
+
+OUTPUT=$(realpath "${OUTPUT}")
+DEST=$(realpath prefix)
+SOURCE=$(realpath lfortran)
+
+mkdir build
+cmake \
+    -GNinja \
+    -DCMAKE_BUILD_TYPE=Release \
+    -DCMAKE_CXX_FLAGS_RELEASE="-Wall -Wextra -O3 -funroll-loops -DNDEBUG" \
+    -DWITH_LLVM=yes \
+    -DLFORTRAN_BUILD_ALL=yes \
+    -DWITH_STACKTRACE=no \
+    -DWITH_RUNTIME_STACKTRACE=yes \
+    -DCMAKE_INSTALL_PREFIX="${DEST}" \
+    -DCMAKE_INSTALL_LIBDIR=share/lfortran/lib \
+    -Bbuild \
+    -S"${SOURCE}"
+ninja -C build
+ninja -C build install
+
+mkdir "${DEST}/lib"
+
+# Copy all shared object dependencies into the release directory to create a hermetic build, per
+# Compiler Explorer requirements. Update rpath for these objects to $ORIGIN.
+cp $(ldd "${DEST}/bin/lfortran" | grep -E  '=> /' | grep -Ev 'lib(pthread|c|dl|rt).so' | awk '{print $3}') "${DEST}/lib"
+patchelf --set-rpath '$ORIGIN/../lib' "${DEST}/bin/lfortran"
 
 complete "${DEST}" "${FULLNAME}" "${OUTPUT}"