Use template variables instead of environment, parametrize all examples

This implements passing of various pieces of information through task
arguments, as well as argument inheritance through different kinds of
dependencies.

1 files changed, 13 insertions, 17 deletions

diff --git a/examples/gcc.yml b/examples/gcc.yml
index fd62466..8dac894 100644
--- a/examples/gcc.yml
+++ b/examples/gcc.yml
@@ -4,7 +4,7 @@ tasks:
       - name: 'gcc-11.2.0.tar.xz'
         sha256: 'd08edc536b54c372a1010ff6619dd274c0f1603aa49212ba20f7aa2cda36fa8b'
     run: |
-      tar xf "${DLDIR}/gcc-11.2.0.tar.xz"
+      tar xf {{dldir}}/gcc-11.2.0.tar.xz
 
       sed -i -e 's@^MULTILIB_OSDIRNAMES@# &@' gcc-11.2.0/gcc/config/*/t-*
 
@@ -12,8 +12,8 @@ tasks:
     output:
       default: {}
     run: |
-      mkdir -p "${DESTDIR}${PREFIX}/include"
-      touch "${DESTDIR}${PREFIX}/include/limits.h"
+      mkdir -p {{destdir}}{{target.prefix}}/include
+      touch {{destdir}}{{target.prefix}}/include/limits.h
 
   configure:
     inherit:
@@ -23,22 +23,18 @@ tasks:
     depends:
       - task: 'gcc:header-stubs'
     run: |
-      BUILD=x86_64-linux-gnu
-      HOST=x86_64-linux-gnu
-      TARGET=aarch64-linux-gnu
-
       mkdir gcc-build
       cd gcc-build
       ../gcc-11.2.0/configure \
-        --build="${BUILD}" \
-        --host="${HOST}" \
-        --target=${TARGET} \
-        --prefix="${BUILD_PREFIX}" \
-        --libdir=${BUILD_PREFIX}/lib \
-        --libexecdir=${BUILD_PREFIX}/lib \
-        --with-sysroot="${SYSROOT}" \
-        --with-native-system-header-dir=${PREFIX}/include \
-        --with-build-time-tools="${BUILD_PREFIX}/${TARGET}/bin" \
+        --build={{build.target_triple}} \
+        --host={{host.target_triple}} \
+        --target={{target.target_triple}} \
+        --prefix={{host.prefix}} \
+        --libdir={{host.prefix}}/lib \
+        --libexecdir={{host.prefix}}/lib \
+        --with-sysroot={{sysroot}} \
+        --with-native-system-header-dir={{target.prefix}}/include \
+        --with-build-time-tools={{host.prefix}}/{{target.target_triple}}/bin \
         --with-gnu-ld \
         --enable-shared \
         --enable-languages=c,c++ \
@@ -88,5 +84,5 @@ tasks:
           - task: 'binutils:install'
     run: |
       cd gcc-build
-      make DESTDIR="$DESTDIR" install-host
+      make DESTDIR={{destdir}} install-host