grass: add example

.gitmodules

@@ -57,3 +57,11 @@
 [submodule "examples/opencv"]
 	path = examples/opencv
 	url = https://github.com/opencv/opencv.git
+[submodule "examples/grass-addons"]
+	path = examples/grass-addons
+	url = [email protected]:faasm/grass-addons.git
+	branch = faasm
+[submodule "examples/grass"]
+	path = examples/grass
+	url = [email protected]:faasm/grass.git
+	branch = faasm

tasks/__init__.py

@@ -7,6 +7,7 @@
 from . import format_code
 from . import func
 from . import git
+from . import grass
 from . import imagemagick
 from . import jwt
 from . import kernels
@@ -27,6 +28,7 @@
     format_code,
     func,
     git,
+    grass,
     imagemagick,
     jwt,
     kernels,

tasks/grass.py

@@ -0,0 +1,97 @@
+from faasmtools.build import get_faasm_build_env_dict
+from faasmtools.compile_util import wasm_copy_upload
+from invoke import task
+from os.path import join
+from subprocess import run
+from tasks.env import EXAMPLES_DIR
+
+
+@task(default=True)
+def grass(ctx, clean=False, noconf=False, debug=False):
+    """
+    Compile and install ImageMagick
+    """
+    grass_dir = join(EXAMPLES_DIR, "grass")
+
+    if clean:
+        run(
+            "make clean distclean", shell=True, cwd=grass_dir, check=True
+        )
+
+    build_env = get_faasm_build_env_dict()
+    build_env["GIT"] = "no"
+
+    configure_cmd = [
+        "GIT=no",
+        "./configure",
+        "CC={}".format(build_env["FAASM_WASM_CC"]),
+        "CXX={}".format(build_env["FAASM_WASM_CXX"]),
+        "CFLAGS='--target=wasm32-wasi {}'".format(build_env["FAASM_WASM_CFLAGS"]),
+        "LD={}".format(build_env["FAASM_WASM_CC"]),
+        "LDXX={}".format(build_env["FAASM_WASM_CXX"]),
+        "LDFLAGS='{}'".format(
+            build_env["FAASM_WASM_STATIC_LINKER_FLAGS"]
+        ),
+        "AR={}".format(build_env["FAASM_WASM_AR"]),
+        "RANLIB={}".format(build_env["FAASM_WASM_RANLIB"]),
+        "NM={}".format(build_env["FAASM_WASM_NM"]),
+        # "PKG_CONFIG_PATH={}".format(join(EXAMPLES_DIR, "libpng")),
+        "GIT=no",
+        "--prefix={}".format(build_env["FAASM_WASM_SYSROOT"]),
+        "--host={}".format(build_env["FAASM_WASM_TRIPLE"]),
+        "--disable-openmp",
+        "--disable-w11",
+        "--disable-shared",
+        "--without-tiff",
+        "--without-zstd",
+        "--enable-cross-compile",
+        #         "--with-png=yes",
+        #         "--enable-delegate-build",
+        #         "--without-bzlib",
+        #         "--without-dps",
+        #         "--without-djvu",
+        #         "--without-fftw",
+        #         "--without-flif",
+        #         "--without-fpx",
+        #         "--without-fontconfig",
+        #         "--without-freetype",
+        #         "--without-gslib",
+        #         "--without-gnu-ld",
+        #         "--without-gvc",
+        #         "--without-heic",
+        #         "--without-jbig",
+        #         "--without-lcms",
+        #         "--without-lqr",
+        #         "--without-magick-plus-plus",
+        #         "--without-openexr",
+        #         "--without-openjp2",
+        #         "--without-pango",
+        #         "--without-perl",
+        #         "--without-raqm",
+        #         "--without-raw",
+        #         "--without-rsvg",
+        #         "--without-threads",
+        #         "--without-webp",
+        #         "--without-wmf",
+        #         "--without-x",
+        #         "--without-xml",
+    ]
+
+    configure_cmd = " ".join(configure_cmd)
+    if not noconf:
+        run(configure_cmd, shell=True, cwd=grass_dir, check=True, env=build_env)
+
+"""
+    run(
+        "make {} -j".format("V=1" if debug else ""),
+        shell=True,
+        cwd=grass_dir,
+        check=True,
+    )
+
+    # Instead of installing ImageMagick, we copy the self-contained binary
+    # (magick) to /usr/local/faasm/wasm/imagemagick/main/function.wasm
+    wasm_copy_upload(
+        "imagemagick", "main", join(grass_dir, "utilities", "magick")
+    )
+"""