From 7bb6ff6250e7bfc1f5d8ee4cc5d49c7aaf5ac435 Mon Sep 17 00:00:00 2001
From: Marvin W <git@larma.de>
Date: Sat, 11 Mar 2017 11:16:01 +0100
Subject: Update ./configure to detect ninja package of debian/ubuntu (#4)

---
 configure | 55 ++++++++++++++++++++++++++++++++++---------------------
 1 file changed, 34 insertions(+), 21 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index 4940f9bd..dbbeaabd 100755
--- a/configure
+++ b/configure
@@ -8,27 +8,40 @@ cont() {
     fi
 }
 
-if [ ! -e `which cmake` ]
+if [ ! -x "$(which cmake 2>/dev/null)" ]
 then
-  echo "CMake required."
+  echo "-!- CMake required."
   exit 1
 fi
 
-if [ -x "$(which ninja 2>/dev/null)" ]; then
-  echo "-- Found Ninja: $(which ninja)"
-  cmake_type="Ninja"
-  exec_bin="ninja"
-elif [ -x "$(which ninja-build 2>/dev/null)" ]; then
-  echo "-- Found Ninja: $(which ninja-build)"
-  cmake_type="Ninja"
-  exec_bin="ninja-build"
-elif [ -x "$(which make 2>/dev/null)" ]; then
-  echo "-- Found Make: $(which make)"
-  cmake_type="Unix Makefiles"
-  exec_bin="make -j4"
-  echo "--   Using Ninja might improve build experience."
-  cont
-else
+ninja_bin="$(which ninja-build 2>/dev/null)"
+if ! [ -x "$ninja_bin" ]; then
+  ninja_bin="$(which ninja 2>/dev/null)"
+fi
+if [ -x "$ninja_bin" ]; then
+  ninja_version=$($ninja_bin --version 2>/dev/null)
+  if [ $? -eq 0 ]; then
+    echo "-- Found Ninja: $ninja_bin (found version \"$ninja_version\")"
+    cmake_type="Ninja"
+    exec_bin="$ninja_bin"
+    exec_command="$exec_bin"
+  elif [[ "/usr/sbin/ninja" == "$ninja_bin" ]]; then
+    echo "-- Ninja at $ninja_bin is not usable. Did you install 'ninja' instead of 'ninja-build'?"
+  fi
+fi
+
+if ! [ -x "$exec_bin" ]; then
+  make_bin="$(which make 2>/dev/null)"
+  if [ -x "$make_bin" ]; then
+    echo "-- Found Make: $make_bin"
+    echo "--   Using Ninja (ninja-build) might improve build experience."
+    cmake_type="Unix Makefiles"
+    exec_bin="$make_bin"
+    exec_command="$exec_bin -j4"
+  fi
+fi
+
+if ! [ -x "$exec_bin" ]; then
   echo "-!- No compatible build system (Ninja, Make) found."
   exit 4
 fi
@@ -66,9 +79,9 @@ if [ "$cmake_type" == "Ninja" ]
 then
 cat << EOF > Makefile
 default:
-	@sh -c "$exec_bin"
+	@sh -c "$exec_command"
 %:
-	@sh -c "$exec_bin \"\$@\""
+	@sh -c "$exec_command \"\$@\""
 EOF
 fi
 
@@ -76,7 +89,7 @@ cd ..
 
 cat << EOF > Makefile
 default:
-	@sh -c "cd build; $exec_bin"
+	@sh -c "cd build; $exec_command"
 %:
-	@sh -c "cd build; $exec_bin \"\$@\""
+	@sh -c "cd build; $exec_command \"\$@\""
 EOF
-- 
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