ci: Add support for Cirrus CI

ci/cirrus.sh

@@ -0,0 +1,84 @@
+#!/bin/sh
+
+set -e
+set -x
+
+export LC_ALL=C
+
+env >> test_env.log
+
+$CC -v || true
+valgrind --version || true
+
+./autogen.sh
+
+# Nix doesn't store GNU file in /usr/bin, see https://lists.gnu.org/archive/html/bug-libtool/2015-09/msg00000.html .
+# The -i'' is necessary for macOS portability, see https://stackoverflow.com/a/4247319 .
+sed -i'' -e 's@/usr/bin/file@$(which file)@g' configure
+
+./configure \
+    --enable-experimental="$EXPERIMENTAL" \
+    --with-test-override-wide-multiply="$WIDEMUL" --with-bignum="$BIGNUM" --with-asm="$ASM" \
+    --enable-ecmult-static-precomputation="$STATICPRECOMPUTATION" --with-ecmult-gen-precision="$ECMULTGENPRECISION" \
+    --enable-module-ecdh="$ECDH" --enable-module-recovery="$RECOVERY" \
+    --enable-module-schnorrsig="$SCHNORRSIG" \
+    --with-valgrind="$WITH_VALGRIND" \
+    --host="$HOST" $EXTRAFLAGS
+
+if [ -n "$BUILD" ]
+then
+    make -j2 "$BUILD"
+fi
+
+if [ "$RUN_VALGRIND" = "yes" ]
+then
+    make -j2
+    # the `--error-exitcode` is required to make the test fail if valgrind found errors, otherwise it'll return 0 (https://www.valgrind.org/docs/manual/manual-core.html)
+    valgrind --error-exitcode=42 ./tests 16
+    valgrind --error-exitcode=42 ./exhaustive_tests
+fi
+
+if [ -n "$QEMU_CMD" ]
+then
+    make -j2
+    $QEMU_CMD ./tests 16
+    $QEMU_CMD ./exhaustive_tests
+fi
+
+if [ "$BENCH" = "yes" ]
+then
+    # Using the local `libtool` because on macOS the system's libtool has nothing to do with GNU libtool
+    EXEC='./libtool --mode=execute'
+    if [ -n "$QEMU_CMD" ]
+    then
+       EXEC="$EXEC $QEMU_CMD"
+    fi
+    if [ "$RUN_VALGRIND" = "yes" ]
+    then
+        EXEC="$EXEC valgrind --error-exitcode=42"
+    fi
+    # This limits the iterations in the benchmarks below to ITER iterations.
+    export SECP256K1_BENCH_ITERS="$ITERS"
+    {
+        $EXEC ./bench_ecmult
+        $EXEC ./bench_internal
+        $EXEC ./bench_sign
+        $EXEC ./bench_verify
+    } >> bench.log 2>&1
+    if [ "$RECOVERY" = "yes" ]
+    then
+        $EXEC ./bench_recover >> bench.log 2>&1
+    fi
+    if [ "$ECDH" = "yes" ]
+    then
+        $EXEC ./bench_ecdh >> bench.log 2>&1
+    fi
+    if [ "$SCHNORRSIG" = "yes" ]
+    then
+        $EXEC ./bench_schnorrsig >> bench.log 2>&1
+    fi
+fi
+if [ "$CTIMETEST" = "yes" ]
+then
+    ./libtool --mode=execute valgrind --error-exitcode=42 ./valgrind_ctime_test > valgrind_ctime_test.log 2>&1
+fi

ci/linux-debian-s390-qemu.Dockerfile

@@ -0,0 +1,6 @@
+FROM debian
+
+RUN dpkg --add-architecture s390x
+RUN apt-get update
+RUN apt-get install --no-install-recommends --no-upgrade -y make automake libtool
+RUN apt-get install --no-install-recommends --no-upgrade -y gcc-s390x-linux-gnu libc6-dev-s390x-cross qemu-user libc6:s390x

ci/linux-nixos.Dockerfile

@@ -0,0 +1,12 @@
+FROM nixos/nix
+
+COPY ci/shell.nix /tmp
+COPY ci/shell-i686.nix /tmp
+
+RUN nix-channel --remove nixpkgs
+RUN nix-channel --add https://nixos.org/channels/nixos-20.09 nixpkgs
+RUN nix-channel --update
+
+# Run dummy command "true" in the nix-shell just to get the packages prepared.
+RUN nix-shell /tmp/shell.nix --command true
+RUN nix-shell /tmp/shell-i686.nix --command true

ci/shell-i686.nix

@@ -0,0 +1,9 @@
+with (import <nixpkgs> {}).pkgsi686Linux;
+mkShell {
+   buildInputs = [
+       bash file pkgconfig autoconf automake libtool gmp valgrind clang gcc
+   ];
+   shellHook = ''
+       echo Running nix-shell with nixpkgs version: $(nix eval --raw nixpkgs.lib.version)
+   '';
+}

ci/shell.nix

@@ -0,0 +1,9 @@
+with (import <nixpkgs> {});
+mkShell {
+   buildInputs = [
+       bash file pkgconfig autoconf automake libtool gmp valgrind clang gcc
+   ];
+   shellHook = ''
+       echo Running nix-shell with nixpkgs version: $(nix eval --raw nixpkgs.lib.version)
+   '';
+}

ci/travis.sh

@@ -0,0 +1,68 @@
+#!/bin/sh
+
+set -e
+set -x
+
+if [ "$HOST" = "i686-linux-gnu" ]
+then
+    export CC="$CC -m32"
+fi
+if [ "$TRAVIS_OS_NAME" = "osx" ] && [ "$TRAVIS_COMPILER" = "gcc" ]
+then
+    export CC="gcc-9"
+fi
+
+./configure \
+    --enable-experimental="$EXPERIMENTAL" \
+    --with-test-override-wide-multiply="$WIDEMUL" --with-bignum="$BIGNUM" --with-asm="$ASM" \
+    --enable-ecmult-static-precomputation="$STATICPRECOMPUTATION" --with-ecmult-gen-precision="$ECMULTGENPRECISION" \
+    --enable-module-ecdh="$ECDH" --enable-module-recovery="$RECOVERY" \
+    --enable-module-schnorrsig="$SCHNORRSIG" \
+    --with-valgrind="$WITH_VALGRIND" \
+    --host="$HOST" $EXTRAFLAGS
+
+if [ -n "$BUILD" ]
+then
+    make -j2 "$BUILD"
+fi
+if [ "$RUN_VALGRIND" = "yes" ]
+then
+    make -j2
+    # the `--error-exitcode` is required to make the test fail if valgrind found errors, otherwise it'll return 0 (https://www.valgrind.org/docs/manual/manual-core.html)
+    valgrind --error-exitcode=42 ./tests 16
+    valgrind --error-exitcode=42 ./exhaustive_tests
+fi
+if [ "$BENCH" = "yes" ]
+then
+    if [ "$RUN_VALGRIND" = "yes" ]
+    then
+        # Using the local `libtool` because on macOS the system's libtool has nothing to do with GNU libtool
+        EXEC='./libtool --mode=execute valgrind --error-exitcode=42'
+    else
+        EXEC=
+    fi
+    # This limits the iterations in the benchmarks below to ITER(set in .travis.yml) iterations.
+    export SECP256K1_BENCH_ITERS="$ITERS"
+    {
+        $EXEC ./bench_ecmult
+        $EXEC ./bench_internal
+        $EXEC ./bench_sign
+        $EXEC ./bench_verify
+    } >> bench.log 2>&1
+    if [ "$RECOVERY" = "yes" ]
+    then
+        $EXEC ./bench_recover >> bench.log 2>&1
+    fi
+    if [ "$ECDH" = "yes" ]
+    then
+        $EXEC ./bench_ecdh >> bench.log 2>&1
+    fi
+    if [ "$SCHNORRSIG" = "yes" ]
+    then
+        $EXEC ./bench_schnorrsig >> bench.log 2>&1
+    fi
+fi
+if [ "$CTIMETEST" = "yes" ]
+then
+    ./libtool --mode=execute valgrind --error-exitcode=42 ./valgrind_ctime_test > valgrind_ctime_test.log 2>&1
+fi