check for and warn about building in tmpfs

2 files changed, 8 insertions, 3 deletions

diff --git a/.SRCINFO b/.SRCINFO
index 4fa136b9783f..e9cb010047c3 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,3 +1,5 @@
+# Generated by mksrcinfo v8
+# Sat Oct 15 03:48:37 UTC 2016
 pkgbase = mathematica
 	pkgdesc = A computational software program used in scientific, engineering, and mathematical fields and other areas of technical computing.
 	pkgver = 11.0.1
diff --git a/PKGBUILD b/PKGBUILD
index b139b194190b..ae75916786ff 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -25,7 +25,12 @@ PKGEXT=".pkg.tar"
 # To build this package you need to place the mathematica-installer into your startdir
 # If you don't own the installer you can download a trial version at http://www.wolfram.com/mathematica/trial
 
-build() {
+package() {
+    if df "${pkgdir}" | grep -q tmpfs; then
+        warning "Building Mathematica takes more than 8GB of space."
+        warning "Building in a tmpfs (e.g. /tmp when mounted into RAM) may not work."
+    fi
+
     if [[ $(echo "${srcdir}" | wc -w) -ne 1 ]]; then
         echo "ERROR: The Mathematica installer doesn't support directory names with spaces."
         echo "Try building from a directory without spaces."
@@ -34,9 +39,7 @@ build() {
     fi
 
     chmod +x ${srcdir}/Mathematica_${pkgver}_LINUX.sh
-}
 
-package() {
     echo "Running Mathematica installer"
     # https://reference.wolfram.com/language/tutorial/InstallingMathematica.html#650929293
     ${srcdir}/Mathematica_${pkgver}_LINUX.sh -- \