[build] Make build scripts support Arch linux (kaldi-asr#3984)

egs/wsj/s5/utils/lang/make_lexicon_fst.py

@@ -92,7 +92,7 @@ def read_lexiconp(filename):
                 sys.exit(1)
             prons = a[2:]
             if pron_prob <= 0.0:
-                print("{0}: error: invalid pron-prob in line '{1}' of lexicon file {2} ".format(
+                print("{0}: error: invalid pron-prob in line '{1}' of lexicon file {1} ".format(
                     sys.argv[0], line.strip(" \t\r\n"), filename), file=sys.stderr)
                 sys.exit(1)
             if len(prons) == 0:

src/configure

@@ -250,6 +250,8 @@ function linux_configure_mkllibdir {
     echo $mklroot/lib/em64t
   elif [ -d $mklroot/lib/intel64 ]; then
     echo $mklroot/lib/intel64
+  elif [ -d $mklroot/lib ]; then
+    echo $mklroot/lib
   else
     return 1;
   fi

tools/extras/install_mkl.sh

@@ -123,6 +123,7 @@ if [[ ! $distro ]]; then
   [[ ! $distro && -f /etc/redhat-release ]] && distro=redhat
   [[ ! $distro && -f /etc/SuSE-release ]]   && distro=suse
   [[ ! $distro && -f /etc/debian_release ]] && distro=debian
+  [[ ! $distro && -f /etc/arch-release ]] && distro=arch
 
   [[ ! $distro ]] && Fatal "\
 Unable to determine package management style.
@@ -132,6 +133,7 @@ Invoke this script with the option '-p <style>', where <style> can be:
   fedora -- Fedora 22+, also RedHat-like, but uses dnf instead of yum.
   suse   -- SUSE-like, uses zypper and rpm.
   debian -- Debian-like, uses apt and dpkg.
+  arch   -- Archlinux, uses pacman.
 
 We do not currently support other package management systems. Check the Intel's
 documentation at https://software.intel.com/mkl/choose-download for other
@@ -245,6 +247,13 @@ current recommended security practice."
   fi
 }
 
+Install_arch () {
+  ( set -x
+    echo y | pacman -Syu intel-mkl && # In pacman we don't specify the version
+    pacman -Q --info intel-mkl | grep -v None
+  )
+}
+
 # Register MKL .so libraries with the ld.so.
 ConfigLdSo() {
   [ -d /etc/ld.so.conf.d ] || return 0