diff --git a/lfs/ninja-1.12.1.PKGBUILD b/lfs/ninja-1.12.1.PKGBUILD
new file mode 100644
index 0000000..2c0437d
--- /dev/null
+++ b/lfs/ninja-1.12.1.PKGBUILD
@@ -0,0 +1,30 @@
+pkgname=ninja
+pkgver=1.12.1
+pkgdesc='Small build system with a focus on speed'
+arch=(x86_64)
+homepage='https://ninja-build.org/'
+license=(Apache-2.0)
+sources=("${pkgname}-${pkgver}.tar.gz")
+urls=("https://github.com/ninja-build/ninja/archive/v${pkgver}/${sources[0]}")
+md5sums=("6288992b05e593a391599692e2f7e490")
+
+src_prepare() {
+  tar -xf ${distdir}/${sources[0]} --strip-components=1
+  sed -i '/int Guess/a \
+  int   j = 0;\
+  char* jobs = getenv( "NINJAJOBS" );\
+  if ( jobs != NULL ) j = atoi( jobs );\
+  if ( j > 0 ) return j;\
+' src/ninja.cc
+}
+
+src_build() {
+  python3 configure.py --bootstrap --verbose
+}
+
+src_install() {
+  install -d -v -m755 ${pkgdir}/usr/bin/
+  install -vm755 ninja ${pkgdir}/usr/bin/
+  install -vDm644 misc/bash-completion ${pkgdir}/usr/share/bash-completion/completions/ninja
+  install -vDm644 misc/zsh-completion  ${pkgdir}/usr/share/zsh/site-functions/_ninja
+}