diff -up src/module_list.py.orig src/module_list.py
--- src/module_list.py.orig	2016-10-20 08:21:43.948569459 -0400
+++ src/module_list.py	2016-10-20 08:28:34.226585170 -0400
@@ -116,6 +116,7 @@ except ValueError:
 #########################################################
 
 singular_libs = ['singular', 'flint', 'ntl', 'gmpxx', 'gmp', 'readline', 'm']
+singular_incs = [SAGE_INC + '/singular', SAGE_INC + '/factory']
 
 #########################################################
 ### Library order
@@ -192,16 +193,19 @@ ext_modules = [
     Extension('sage.algebras.letterplace.free_algebra_letterplace',
               sources = ['sage/algebras/letterplace/free_algebra_letterplace.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.algebras.letterplace.free_algebra_element_letterplace',
               sources = ['sage/algebras/letterplace/free_algebra_element_letterplace.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.algebras.letterplace.letterplace_ideal',
               sources = ['sage/algebras/letterplace/letterplace_ideal.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.algebras.quatalg.quaternion_algebra_cython',
@@ -644,7 +648,8 @@ ext_modules = [
                                                         [])),
 
     Extension('sage.libs.lrcalc.lrcalc',
-              sources = ["sage/libs/lrcalc/lrcalc.pyx"]),
+              sources = ["sage/libs/lrcalc/lrcalc.pyx"],
+              include_dirs = [os.path.join(SAGE_INC, 'lrcalc')]),
 
     Extension('sage.libs.pari.closure',
               sources = ["sage/libs/pari/closure.pyx"]),
@@ -677,31 +682,37 @@ ext_modules = [
     Extension('sage.libs.singular.singular',
               sources = ['sage/libs/singular/singular.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.libs.singular.polynomial',
               sources = ['sage/libs/singular/polynomial.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.libs.singular.ring',
               sources = ['sage/libs/singular/ring.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.libs.singular.groebner_strategy',
               sources = ['sage/libs/singular/groebner_strategy.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.libs.singular.function',
               sources = ['sage/libs/singular/function.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.libs.singular.option',
               sources = ['sage/libs/singular/option.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.libs.symmetrica.symmetrica',
@@ -710,17 +721,21 @@ ext_modules = [
 
     Extension('sage.libs.mpmath.utils',
               sources = ["sage/libs/mpmath/utils.pyx"],
-              libraries = ['mpfr']),
+              libraries = ['mpfr'],
+              include_dirs = [os.path.join(SAGE_INC, "flint")]),
 
     Extension('sage.libs.mpmath.ext_impl',
               sources = ["sage/libs/mpmath/ext_impl.pyx"],
-              libraries = ['mpfr']),
+              libraries = ['mpfr'],
+              include_dirs = [os.path.join(SAGE_INC, "flint")]),
 
     Extension('sage.libs.mpmath.ext_main',
-              sources = ["sage/libs/mpmath/ext_main.pyx"]),
+              sources = ["sage/libs/mpmath/ext_main.pyx"],
+              include_dirs = [os.path.join(SAGE_INC, "flint")]),
 
     Extension('sage.libs.mpmath.ext_libmp',
-              sources = ["sage/libs/mpmath/ext_libmp.pyx"]),
+              sources = ["sage/libs/mpmath/ext_libmp.pyx"],
+              include_dirs = [os.path.join(SAGE_INC, "flint")]),
 
     ###################################
     ##
@@ -728,7 +743,8 @@ ext_modules = [
     ##
     ###################################
 
-    Extension('*', ["sage/libs/arb/*.pyx"]),
+    Extension('*', ["sage/libs/arb/*.pyx"],
+              include_dirs = [SAGE_INC + '/flint', SAGE_INC + '/arb']),
 
     ###################################
     ##
@@ -901,7 +917,7 @@ ext_modules = [
     Extension("sage.matrix.matrix_complex_ball_dense",
               ["sage/matrix/matrix_complex_ball_dense.pyx"],
               libraries=['arb', 'mpfi', 'mpfr'],
-              include_dirs=[SAGE_INC + '/flint'],
+              include_dirs=[SAGE_INC + '/flint', SAGE_INC + '/arb'],
               language = "c++"),
 
     Extension('sage.matrix.matrix_complex_double_dense',
@@ -971,6 +987,7 @@ ext_modules = [
     Extension('sage.matrix.matrix_mpolynomial_dense',
               sources = ['sage/matrix/matrix_mpolynomial_dense.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.matrix.matrix_rational_dense',
@@ -1288,6 +1305,7 @@ ext_modules = [
     Extension("sage.rings.complex_arb",
               ["sage/rings/complex_arb.pyx"],
               libraries=['mpfi', 'mpfr', 'gmp'],
+              include_dirs=[SAGE_INC + '/flint', SAGE_INC + '/arb'],
               language = 'c++'),
 
     Extension('sage.rings.complex_double',
@@ -1360,6 +1378,7 @@ ext_modules = [
     Extension("sage.rings.real_arb",
               ["sage/rings/real_arb.pyx"],
               libraries = ['mpfi', 'mpfr'],
+              include_dirs=[SAGE_INC + '/flint', SAGE_INC + '/arb'],
               language = 'c++'),
 
     Extension('sage.rings.real_lazy',
@@ -1564,16 +1583,19 @@ ext_modules = [
     Extension('sage.rings.polynomial.multi_polynomial_ideal_libsingular',
               sources = ['sage/rings/polynomial/multi_polynomial_ideal_libsingular.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.rings.polynomial.plural',
               sources = ['sage/rings/polynomial/plural.pyx'],
               libraries = ['m', 'readline', 'singular', 'givaro', 'gmpxx', 'gmp'],
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.rings.polynomial.multi_polynomial_libsingular',
               sources = ['sage/rings/polynomial/multi_polynomial_libsingular.pyx'],
               libraries = singular_libs,
+              include_dirs = singular_incs,
               language="c++"),
 
     Extension('sage.rings.polynomial.multi_polynomial_ring_generic',
diff -up src/setup.py.orig src/setup.py
--- src/setup.py.orig	2016-10-20 08:28:56.912586039 -0400
+++ src/setup.py	2016-10-20 08:29:26.634587177 -0400
@@ -78,6 +78,7 @@ except KeyError:
 # search for dependencies and add to gcc -I<path>
 # this depends on SAGE_CYTHONIZED
 include_dirs = sage_include_directories(use_sources=True)
+include_dirs.extend(['@@CYSIGNALS@@'])
 
 # Manually add -fno-strict-aliasing, which is needed to compile Cython
 # and disappears from the default flags if the user has set CFLAGS.