Fix processor core count calculation for Mac (#357)

stanford-centaur · Oct 9, 2024 · 5b313f4 · 5b313f4
1 parent 1f708c2
commit 5b313f4
Show file tree

Hide file tree

Showing 2 changed files with 18 additions and 2 deletions.
diff --git a/contrib/setup-bison.sh b/contrib/setup-bison.sh
@@ -20,14 +20,22 @@ if [ ! -f "$DEPS/bison-$VERSION.tar.xz" ]; then
     exit 1
 fi
 
+if [ "$(uname)" == "Darwin" ]; then
+    NUM_CORES=$(sysctl -n hw.logicalcpu)
+elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
+    NUM_CORES=$(nproc)
+else
+    NUM_CORES=1
+fi
+
 cd $DEPS
 tar -xf bison-$VERSION.tar.xz
 rm bison-$VERSION.tar.xz
 mv ./bison-$VERSION ./bison
 cd bison
 mkdir bison-install
 ./configure --prefix $DEPS/bison/bison-install --exec-prefix $DEPS/bison/bison-install
-make -j$(nproc)
+make -j$NUM_CORES
 make install
 cd $DIR
 

diff --git a/contrib/setup-flex.sh b/contrib/setup-flex.sh
@@ -19,6 +19,14 @@ if [ ! -f "$DEPS/flex-2.6.4.tar.gz" ]; then
     exit 1
 fi
 
+if [ "$(uname)" == "Darwin" ]; then
+    NUM_CORES=$(sysctl -n hw.logicalcpu)
+elif [ "$(expr substr $(uname -s) 1 5)" == "Linux" ]; then
+    NUM_CORES=$(nproc)
+else
+    NUM_CORES=1
+fi
+
 # Set CFLAGS to work around compiler issue with building flex
 export CFLAGS="$CFLAGS -D_GNU_SOURCE"
 cd $DEPS
@@ -28,7 +36,7 @@ mv flex-2.6.4 flex
 cd flex
 mkdir flex-install
 ./configure --prefix $DEPS/flex/flex-install --exec-prefix $DEPS/flex/flex-install
-make -j$(nproc)
+make -j$NUM_CORES
 make install
 cd $DIR