feat(webfuse): eclipse cdt project (#17)

adds convenience run and discovery targets (for first build target)
allows usage of host container (volume mount/ dind)
fixes portable workspace configuration
adds makefile targets to CDT configuration
fixes localization

* adds eclipse-cdt project and necessary discovery for toolchain settings

* extends targets and fixes discovery

* renames CDT Eclipse project

* enables portable workspace docker-build on build server

build/amd64-ubuntu-builder.dockerfile

@@ -10,6 +10,7 @@ RUN set -x \
        cmake \
        ninja-build \
        pkg-config \
+       rsync \
        valgrind \
   && rm -rf /var/lib/apt/lists/*
 
@@ -70,12 +71,13 @@ ENV LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
 
 ARG USERID=1000
 
-ARG WORKSPACE=/workspace
+ARG PROJECT_ROOT=/workspace/src
+ARG OUT=/workspace/out
 
 RUN set -x \
   && useradd -u "$USERID" -ms /bin/bash user \
-  && mkdir -p "$WORKSPACE" \
-  && chown user:user "$WORKSPACE"
+  && mkdir -p "$PROJECT_ROOT" "$OUT" \
+  && chown user:user "$PROJECT_ROOT" "$OUT"
 
-WORKDIR "$WORKSPACE"
+WORKDIR "$OUT"
 

build/arm32v7-ubuntu-builder.dockerfile

@@ -12,6 +12,7 @@ RUN set -x \
        cmake \
        ninja-build \
        pkg-config \
+       rsync \
   && rm -rf /var/lib/apt/lists/*
 
 COPY src /usr/local/src
@@ -71,12 +72,13 @@ ENV LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
 
 ARG USERID=1000
 
-ARG WORKSPACE=/workspace
+ARG PROJECT_ROOT=/workspace/src
+ARG OUT=/workspace/out
 
 RUN set -x \
   && useradd -u "$USERID" -ms /bin/bash user \
-  && mkdir -p "$WORKSPACE" \
-  && chown user:user "$WORKSPACE"
+  && mkdir -p "$PROJECT_ROOT" "$OUT" \
+  && chown user:user "$PROJECT_ROOT" "$OUT"
 
-WORKDIR "$WORKSPACE"
+WORKDIR "$OUT"
 

build/discover_cc_settings.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+
+set -e
+
+export LANG=C
+export LC_ALL=C
+
+cleanup() {
+  rm -rf "$INCLUDE_DIRS_TMPFILE"
+}
+
+trap cleanup TERM INT EXIT
+
+DEST="${DEST:-$PWD}"
+
+CMAKE_CACHE_FILE="${1:-CMakeCache.txt}"
+CMAKE_CXX_COMPILER="$(sed -n -e 's/CMAKE_CXX_COMPILER:FILEPATH=\(.*\)$/\1/p' "$CMAKE_CACHE_FILE")"
+CMAKE_C_COMPILER="$(sed -n -e 's/CMAKE_C_COMPILER:FILEPATH=\(.*\)$/\1/p' "$CMAKE_CACHE_FILE")"
+
+INCLUDE_DIRS_PREFIX="${2:-$DEST}"
+INCLUDE_DIRS_TMPFILE="$(mktemp -p "$DEST" include_dirs_XXXXXXXXXX.txt)"
+INCLUDE_DIRS_FILE="${INCLUDE_DIRS_FILE:-$DEST/include_dirs.txt}"
+
+C_BUILTIN_FILE="${C_BUILTIN_FILE:-$DEST/builtins.h}"
+CXX_BUILTIN_FILE="${CXX_BUILTIN_FILE:-$DEST/builtins.hpp}"
+
+if [ -z "${RSYNC+x}" ]; then
+  RSYNC=rsync
+fi
+
+{
+  {
+    echo | "$CMAKE_CXX_COMPILER" -xc++ -E -Wp,-v - 2>&1;
+    echo | "$CMAKE_C_COMPILER" -xc -E -Wp,-v - 2>&1;
+  } \
+  | sed -n -e 's/\s\+\(\/.*$\).*/\1/p';
+  
+  sed -n -e 's/.*_INCLUDE_DIRS:INTERNAL=\(.*\)$/\1/p' "$CMAKE_CACHE_FILE";
+} \
+| sed 's/;/\n/g' |  sed '/^$/d' | sort -u 2>/dev/null 1> "$INCLUDE_DIRS_TMPFILE"
+
+{
+  echo '#include <...> search starts here:'
+  sed -n -e "s@\(.*\)@$INCLUDE_DIRS_PREFIX\1@p" "$INCLUDE_DIRS_TMPFILE"
+  echo 'End of search list.'
+} > "$INCLUDE_DIRS_FILE"
+
+if [ -n "$RSYNC" ]; then
+  "$RSYNC" -arR --files-from="$INCLUDE_DIRS_TMPFILE" / "$DEST"
+  echo "Include folders copied to $DEST" >&2
+fi
+
+"$CMAKE_C_COMPILER" -xc -dM -E - < /dev/null > "$C_BUILTIN_FILE"
+echo "C Compiler built-ins written to $C_BUILTIN_FILE" >&2
+"$CMAKE_CXX_COMPILER" -xc++ -dM -E - < /dev/null > "$CXX_BUILTIN_FILE"
+echo "C++ Compiler built-ins written to $CXX_BUILTIN_FILE" >&2

build/get_container_id.sh

@@ -0,0 +1,39 @@
+#!/bin/sh
+
+set -e
+
+container_id() {
+  if [ "$#" -le 0 ]; then
+    # shellcheck disable=SC2119
+    container_id_by_cgroup
+  else
+    "$DOCKER" inspect --format='{{.Id}}' "$@"
+  fi
+}
+
+# shellcheck disable=SC2120
+container_id_by_cgroup() {
+  impl_container_id_by_cgroup "$@" || return "$?"
+}
+
+impl_container_id_by_cgroup() {
+  file="${1:-/proc/self/cgroup}"
+
+  while IFS= read -r cmd; do
+    id="$(echo "$cmd" | sed -n -e 's/[^:]*:[^:]*:.*\/\([0-9a-fA-F]\+\)$/\1/p')"
+    if container_id "$id" >/dev/null 2>&1; then
+      echo "$id"
+      return 0
+    fi
+  done < "$file"
+
+  return 1
+}
+
+DOCKER="${DOCKER:-docker}"
+
+if [ -z "${CONTAINER+x}" ] && [ -n "$DOCKER" ]; then
+  CONTAINER="$(container_id "$@")" || true
+fi
+
+echo "$CONTAINER"

build/get_source_date_epoch.sh

@@ -1,25 +1,27 @@
 #!/bin/sh
 
+set -e
+
 export LANG=C
 export LC_ALL=C
 
 [ -n "$TOPDIR" ] && cd "$TOPDIR"
 
 try_git() {
-	[ -e .git ] || return 1
-	SOURCE_DATE_EPOCH="$(git log -1 --format=format:%ct)"
-	[ -n "$SOURCE_DATE_EPOCH" ]
+  [ -e .git ] || return 1
+  SOURCE_DATE_EPOCH="$(git log -1 --format=format:%ct)"
+  [ -n "$SOURCE_DATE_EPOCH" ]
 }
 
 try_hg() {
-	[ -d .hg ] || return 1
-	SOURCE_DATE_EPOCH="$(hg log --template '{date}' -l 1 | cut -d. -f1)"
-	[ -n "$SOURCE_DATE_EPOCH" ]
+  [ -d .hg ] || return 1
+  SOURCE_DATE_EPOCH="$(hg log --template '{date}' -l 1 | cut -d. -f1)"
+  [ -n "$SOURCE_DATE_EPOCH" ]
 }
 
 try_mtime() {
-	perl -e 'print((stat $ARGV[0])[9])' "$0"
-	[ -n "$SOURCE_DATE_EPOCH" ]
+  perl -e 'print((stat $ARGV[0])[9])' "$0"
+  [ -n "$SOURCE_DATE_EPOCH" ]
 }
 
 try_git || try_hg || try_mtime || SOURCE_DATE_EPOCH=""