diff --git a/var/spack/repos/builtin/packages/openblas/openblas_icc.patch b/var/spack/repos/builtin/packages/openblas/openblas_icc.patch
new file mode 100644
index 0000000000000000000000000000000000000000..fb379aea41978230664bb61b9aede7e4e8a5dc52
--- /dev/null
+++ b/var/spack/repos/builtin/packages/openblas/openblas_icc.patch
@@ -0,0 +1,253 @@
+diff --git a/kernel/x86_64/cscal_microk_bulldozer-2.c b/kernel/x86_64/cscal_microk_bulldozer-2.c
+index f470cf8..3abffc4 100644
+--- a/kernel/x86_64/cscal_microk_bulldozer-2.c
++++ b/kernel/x86_64/cscal_microk_bulldozer-2.c
+@@ -120,7 +120,7 @@ static void cscal_kernel_16( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -212,7 +212,7 @@ static void cscal_kernel_16_zero_r( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -289,7 +289,7 @@ static void cscal_kernel_16_zero_i( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -334,7 +334,7 @@ static void cscal_kernel_16_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+diff --git a/kernel/x86_64/cscal_microk_haswell-2.c b/kernel/x86_64/cscal_microk_haswell-2.c
+index 0424de3..48e3395 100644
+--- a/kernel/x86_64/cscal_microk_haswell-2.c
++++ b/kernel/x86_64/cscal_microk_haswell-2.c
+@@ -120,7 +120,7 @@ static void cscal_kernel_16( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "0", "1",
++ : "cc", //"0", "1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -212,7 +212,7 @@ static void cscal_kernel_16_zero_r( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "0", "1",
++ : "cc", // "0", "1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -289,7 +289,7 @@ static void cscal_kernel_16_zero_i( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -334,7 +334,7 @@ static void cscal_kernel_16_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "0", "1",
++ : "cc", //"0", "1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+diff --git a/kernel/x86_64/cscal_microk_steamroller-2.c b/kernel/x86_64/cscal_microk_steamroller-2.c
+index 763e7ad..8346e17 100644
+--- a/kernel/x86_64/cscal_microk_steamroller-2.c
++++ b/kernel/x86_64/cscal_microk_steamroller-2.c
+@@ -121,7 +121,7 @@ static void cscal_kernel_16( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "0", "1",
++ : "cc", //"0", "1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -213,7 +213,7 @@ static void cscal_kernel_16_zero_r( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "0", "1",
++ : "cc", //"0", "1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -290,7 +290,7 @@ static void cscal_kernel_16_zero_i( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -335,7 +335,7 @@ static void cscal_kernel_16_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "0", "1",
++ : "cc", //"0", "1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+diff --git a/kernel/x86_64/dscal.c b/kernel/x86_64/dscal.c
+index bbc1c96..b6bde6c 100644
+--- a/kernel/x86_64/dscal.c
++++ b/kernel/x86_64/dscal.c
+@@ -141,7 +141,7 @@ static void dscal_kernel_inc_8(BLASLONG n, FLOAT *alpha, FLOAT *x, BLASLONG inc_
+ "r" (alpha), // 3
+ "r" (inc_x), // 4
+ "r" (inc_x3) // 5
+- : "cc", "%0", "%1", "%2",
++ : "cc", //"%0", "%1", "%2",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+diff --git a/kernel/x86_64/zscal_microk_bulldozer-2.c b/kernel/x86_64/zscal_microk_bulldozer-2.c
+index 28fe734..03882d6 100644
+--- a/kernel/x86_64/zscal_microk_bulldozer-2.c
++++ b/kernel/x86_64/zscal_microk_bulldozer-2.c
+@@ -120,7 +120,7 @@ static void zscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -212,7 +212,7 @@ static void zscal_kernel_8_zero_r( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -289,7 +289,7 @@ static void zscal_kernel_8_zero_i( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -334,7 +334,7 @@ static void zscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+diff --git a/kernel/x86_64/zscal_microk_haswell-2.c b/kernel/x86_64/zscal_microk_haswell-2.c
+index a93308e..b1a34c1 100644
+--- a/kernel/x86_64/zscal_microk_haswell-2.c
++++ b/kernel/x86_64/zscal_microk_haswell-2.c
+@@ -120,7 +120,7 @@ static void zscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -212,7 +212,7 @@ static void zscal_kernel_8_zero_r( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -289,7 +289,7 @@ static void zscal_kernel_8_zero_i( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -334,7 +334,7 @@ static void zscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+diff --git a/kernel/x86_64/zscal_microk_steamroller-2.c b/kernel/x86_64/zscal_microk_steamroller-2.c
+index d611bf5..97b07ad 100644
+--- a/kernel/x86_64/zscal_microk_steamroller-2.c
++++ b/kernel/x86_64/zscal_microk_steamroller-2.c
+@@ -121,7 +121,7 @@ static void zscal_kernel_8( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -213,7 +213,7 @@ static void zscal_kernel_8_zero_r( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -290,7 +290,7 @@ static void zscal_kernel_8_zero_i( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
+@@ -335,7 +335,7 @@ static void zscal_kernel_8_zero( BLASLONG n, FLOAT *alpha, FLOAT *x)
+ "r" (n), // 0
+ "r" (x), // 1
+ "r" (alpha) // 2
+- : "cc", "%0", "%1",
++ : "cc", //"%0", "%1",
+ "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+ "%xmm4", "%xmm5", "%xmm6", "%xmm7",
+ "%xmm8", "%xmm9", "%xmm10", "%xmm11",
diff --git a/var/spack/repos/builtin/packages/openblas/package.py b/var/spack/repos/builtin/packages/openblas/package.py
index 1f6dd0e013a911a1c6ce052bb87d8a067724325f..efdbc1d8b2aab630ac9709b3d54122bcfdd78ff3 100644
--- a/var/spack/repos/builtin/packages/openblas/package.py
+++ b/var/spack/repos/builtin/packages/openblas/package.py
@@ -50,6 +50,9 @@ class Openblas(Package):
provides('lapack')
patch('make.patch')
+ # This patch is in a pull request to OpenBLAS that has not been handled
+ # https://github.com/xianyi/OpenBLAS/pull/915
+ patch('openblas_icc.patch', when='%intel')
@property
def blas_libs(self):
@@ -124,6 +127,8 @@ def check_install(self, spec):
include_flags = ["-I%s" % join_path(spec.prefix, "include")]
link_flags = self.lapack_libs.ld_flags.split()
+ if self.compiler.name == 'intel':
+ link_flags.extend(["-lifcore"])
link_flags.extend(["-lpthread"])
if '+openmp' in spec:
link_flags.extend([self.compiler.openmp_flag])