diff --git a/Cargo.toml b/Cargo.toml
index fe3a0fd..c071d6b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,8 @@
 [package]
 name = "lbfgsb-sys"
-version = "0.1.0"
-authors = ["noshu <naushad1290@gmail.com>"]
+version = "0.1.1"
+authors = ["noshu <naushad1290@gmail.com>",
+           "Felix C. Morency <felix.morency@imeka.ca>"]
 license= "MIT/BSD-3-Clause"
 description = "The package provides an interface to L-BFGS-B fortran routine"
 homepage = "https://github.com/noshu/lbfgsb-sys"
@@ -10,4 +11,4 @@ build = "build.rs"
 [features]
 static = []
 [dependencies]
-libc = "0.2.11"
\ No newline at end of file
+libc = "0.2.11"
diff --git a/build.rs b/build.rs
index c0aa39f..81c52f9 100644
--- a/build.rs
+++ b/build.rs
@@ -19,16 +19,38 @@ fn main() {
     let os = if cfg!(target_os = "macos"){"Macos"}
              else if cfg!(target_os = "windows"){"Windows"}
              else {"Linux"};
-    let com = if os=="Windows" {"mingw32-make"}else{"make"};
-    run(Command::new(com)
+    let make_cmd = if os == "Windows" { "mingw32-make" } else { "make" };
+    run(Command::new(make_cmd)
                 .arg(kind)
-                .arg(format!("OUTPUT={}",output.display()))
-                .arg(format!("OSNAME={}",os))
+                .arg(format!("OUTPUT={}", output.display()))
+                .arg(format!("OSNAME={}", os))
                 .current_dir(&source));
 
     println!("cargo:rustc-link-search={}", output.display());
-    println!("cargo:rustc-link-lib={}=lbfgs",kind);
-    println!("cargo:rustc-link-lib=dylib=gfortran");
+    println!("cargo:rustc-link-lib={}=lbfgs", kind);
+    println!("cargo:rustc-link-lib=dylib=gcc");
+
+    let target = variable!("TARGET");
+    let mut fc_lib_type = "dylib";
+    if target == "x86_64-apple-darwin" || target == "x86_64-pc-windows-gnu" {
+        fc_lib_type = "static";
+
+        // Poke $FC$ for static lib folder
+        let fc_out = Command::new(variable!("FC"))
+                              .arg("-print-file-name=libgfortran.a")
+                              .output()
+                              .expect("Failed to find libgfortran.a");
+        let fc_stdout = String::from_utf8(fc_out.stdout).expect("Invalid path to libgfortran.a");
+        let fc_lib_cwd = PathBuf::from(fc_stdout.to_string());
+        let fc_lib_pwd = fc_lib_cwd.parent().expect("Path to libgfortran.a not found");
+        println!("cargo:rustc-link-search={}", fc_lib_pwd.to_str().unwrap());
+    }
+
+    println!("cargo:rustc-link-lib={}=gfortran", fc_lib_type);
+
+    if target == "x86_64-apple-darwin" {
+        println!("cargo:rustc-link-lib={}=quadmath", fc_lib_type);
+    }
 }
 fn run(command: &mut Command) {
     println!("Running: {:?}", command);
diff --git a/fortran/Makefile b/fortran/Makefile
index b367905..7374c58 100644
--- a/fortran/Makefile
+++ b/fortran/Makefile
@@ -1,5 +1,3 @@
-FC = gfortran
-AR = ar
 AFLAG = crus
 SFlAG = -shared -o
 FFLAGS = -O3 -Wall -fexceptions -g -Wno-uninitialized -c -fPIC -o
@@ -8,7 +6,7 @@ LINPACK = linpack.f
 BLAS    = blas.f
 TIMER   = timer.f
 STRING = string.f
-static : 
+static :
 	@echo "static linking selected"
 	@echo "Compiling"
 	$(FC) $(LBFGSB) $(FFLAGS) $(OUTPUT)/lbfgsb.o
@@ -26,7 +24,7 @@ ifeq ($(OSNAME),Windows)
 	$(FC) $(LINPACK) $(FFLAGS) $(OUTPUT)/linpack.o
 	$(FC) $(BLAS) $(FFLAGS) $(OUTPUT)/blas.o
 	$(FC) $(TIMER) $(FFLAGS) $(OUTPUT)/timer.o
-    $(FC) $(STRING) $(FFLAGS) $(OUTPUT)/string.o
+	$(FC) $(STRING) $(FFLAGS) $(OUTPUT)/string.o
 	@echo "creating static library"
 	$(FC) $(SFlAG) $(OUTPUT)/liblbfgs.dll $(OUTPUT)/*.o
 endif
diff --git a/fortran/lbfgsb.f b/fortran/lbfgsb.f
index 79fd112..7f2e044 100644
--- a/fortran/lbfgsb.f
+++ b/fortran/lbfgsb.f
@@ -3278,8 +3278,10 @@ subroutine subsm ( n, m, nsub, ind, l, u, nbd, x, d, xp, ws, wy,
  55   continue
       if ( dd_p .gt.zero ) then
          call dcopy( n, xp, 1, x, 1 )
-         write(6,*) ' Positive dir derivative in projection '
-         write(6,*) ' Using the backtracking step '
+         if (iprint .ge. 0) then
+            write(6,*) ' Positive dir derivative in projection '
+            write(6,*) ' Using the backtracking step '
+         endif
       else
          go to 911
       endif