Move travis script into a standalone sh file

contrib/travis.sh

@@ -0,0 +1,58 @@
+#!/bin/sh
+
+set -e
+set -x
+
+if [ -n "$HOST" ]
+then
+    export USE_HOST="--host=$HOST"
+fi
+if [ "$HOST" = "i686-linux-gnu" ]
+then
+    export CC="$CC -m32"
+fi
+
+./configure \
+    --enable-experimental="$EXPERIMENTAL" --enable-endomorphism="$ENDOMORPHISM" \
+    --with-field="$FIELD" --with-bignum="$BIGNUM" --with-asm="$ASM" --with-scalar="$SCALAR" \
+    --enable-ecmult-static-precomputation="$STATICPRECOMPUTATION" --with-ecmult-gen-precision="$ECMULTGENPRECISION" \
+    --enable-module-ecdh="$ECDH" --enable-module-recovery="$RECOVERY" "$EXTRAFLAGS" "$USE_HOST"
+
+if [ -n "$BUILD" ]
+then
+    make -j2 "$BUILD"
+fi
+if [ -n "$VALGRIND" ]
+then
+    make -j2
+    # the `--error-exitcode` is required to make the test fail if valgrind found errors, otherwise it'll return 0 (http://valgrind.org/docs/manual/manual-core.html)
+    valgrind --error-exitcode=42 ./tests 16
+    valgrind --error-exitcode=42 ./exhaustive_tests
+fi
+if [ -n "$BENCH" ]
+then
+    if [ -n "$VALGRIND" ]
+    then
+        EXEC='libtool --mode=execute valgrind --error-exitcode=42'
+    else
+        EXEC=
+    fi
+    {
+        $EXEC ./bench_ecmult
+        $EXEC ./bench_internal
+        $EXEC ./bench_sign
+        $EXEC ./bench_verify
+    } >> bench.log 2>&1
+    if [ "$RECOVERY" = "yes" ]
+    then
+        $EXEC ./bench_recover >> bench.log 2>&1
+    fi
+    if [ "$ECDH" = "yes" ]
+    then
+        $EXEC ./bench_ecdh >> bench.log 2>&1
+    fi
+fi
+if [ -n "$CTIMETEST" ]
+then
+    libtool --mode=execute valgrind --error-exitcode=42 ./valgrind_ctime_test > valgrind_ctime_test.log 2>&1
+fi