Use -j 2 for CRAN

Author: jeroen

DESCRIPTION

@@ -5,8 +5,8 @@ Version: 1.12.0-2
 Authors@R: c(
     person("Jeroen", "Ooms", ,"jeroen@berkeley.edu", role = c("aut", "cre"),
       comment = c(ORCID = "0000-0002-4035-0289")),
-    person("Kornel Lesiński", role = "cph", comment = "Gifski Rust library"),
-    person("Authors of the dependency Rust crates", role = "cph", 
+    person("Kornel Lesiński", role = "aut", comment = "Gifski Rust library"),
+    person("Authors of the dependency Rust crates", role = "aut", 
       comment = "see AUTHORS file"))
 Description: Multi-threaded GIF encoder written in Rust: <https://gif.ski/>. 
     Converts images to GIF animations using pngquant's efficient cross-frame 

NEWS

@@ -1,5 +1,7 @@
 1.12.0-2
   - Vendor rust code as requested by CRAN
+  - CRAN request: use role="aut" for rust dependencies
+  - CRAN request: use -j2 instead of CARGO_BUILD_JOBS=2
 
 1.12.0-1
   - Windows: add -lntdll linker flag required by Rust 1.70

src/Makevars

@@ -8,10 +8,11 @@ $(SHLIB): $(STATLIB)
 
 # CRAN wants to avoid writing in $HOME
 export CARGO_HOME=$(PWD)/.cargo
+CRANFLAGS=-j 2
 
 $(STATLIB):
 	if [ -f myrustlib/vendor.tar.xz ]; then tar xf myrustlib/vendor.tar.xz && mkdir -p $(CARGO_HOME) && cp myrustlib/vendor-config.toml $(CARGO_HOME)/config.toml; fi
-	PATH="$(HOME)/.cargo/bin:$(PATH)" cargo build --release --manifest-path=myrustlib/Cargo.toml
+	PATH="$(HOME)/.cargo/bin:$(PATH)" cargo build ${CRANFLAGS} --release --manifest-path=myrustlib/Cargo.toml
 	rm -Rf $(CARGO_HOME) vendor || true
 	rm -Rf $(LIBDIR)/build || true