prepare(): improve install prefix assignment method

1 files changed, 4 insertions, 2 deletions

diff --git a/PKGBUILD b/PKGBUILD
index ce7ede96dd99..55269237c798 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -1,7 +1,7 @@
 # Maintainer: Daniel Bermond < yahoo-com: danielbermond >
 
 pkgname=intel-seapi-git
-pkgver=17.01.28.r21.g16904d4
+pkgver=17.01.28.r25.gf41831f
 pkgrel=1
 pkgdesc='Intel Single Event API (Intel SEAPI) (git version)'
 arch=('i686' 'x86_64')
@@ -24,7 +24,9 @@ prepare() {
     # set install prefix
     if ! grep -q "(\"\-DCMAKE_INSTALL_PREFIX:PATH='/usr'\"),$" buildall.py
     then
-        sed -i "282i\            \(\"-DCMAKE_INSTALL_PREFIX:PATH='/usr'\")," buildall.py
+        local _unix_line="$(sed -n "/generator[[:space:]]=[[:space:]]'Unix[[:space:]]Makefiles'/=" buildall.py)"
+        
+        sed -i "$((_unix_line + 4))i\\            \\(\"-DCMAKE_INSTALL_PREFIX:PATH='/usr'\")," buildall.py
     fi
 }