diff -ur spack-src.org/bppSuite/bppAncestor.cpp spack-src/bppSuite/bppAncestor.cpp
--- spack-src.org/bppSuite/bppAncestor.cpp	2019-11-18 15:59:34.786164416 +0900
+++ spack-src/bppSuite/bppAncestor.cpp	2019-11-18 16:26:25.385749490 +0900
@@ -237,7 +237,7 @@
   delete tree;
     
   double logL = tl->getValue();
-  if (isinf(logL))
+  if (std::isinf(logL))
   {
     // This may be due to null branch lengths, leading to null likelihood!
     ApplicationTools::displayWarning("!!! Warning!!! Likelihood is zero.");
@@ -251,7 +251,7 @@
     tl->matchParametersValues(pl);
     logL = tl->getValue();
   }
-  if (isinf(logL))
+  if (std::isinf(logL))
   {
     ApplicationTools::displayError("!!! Unexpected likelihood == 0.");
     ApplicationTools::displayError("!!! Looking at each site:");
diff -ur spack-src.org/bppSuite/bppML.cpp spack-src/bppSuite/bppML.cpp
--- spack-src.org/bppSuite/bppML.cpp	2019-11-18 15:59:34.786164416 +0900
+++ spack-src/bppSuite/bppML.cpp	2019-11-18 16:29:09.373021202 +0900
@@ -425,7 +425,7 @@
 
     //Check initial likelihood:
     double logL = tl->getValue();
-    if (isinf(logL))
+    if (std::isinf(logL))
     {
       // This may be due to null branch lengths, leading to null likelihood!
       ApplicationTools::displayWarning("!!! Warning!!! Initial likelihood is zero.");
@@ -440,7 +440,7 @@
       logL = tl->getValue();
     }
     ApplicationTools::displayResult("Initial log likelihood", TextTools::toString(-logL, 15));
-    if (isinf(logL))
+    if (std::isinf(logL))
     {
       ApplicationTools::displayError("!!! Unexpected initial likelihood == 0.");
       if (codonAlphabet)
@@ -448,7 +448,7 @@
         bool f = false;
         size_t s;
         for (size_t i = 0; i < sites->getNumberOfSites(); i++) {
-          if (isinf(tl->getLogLikelihoodForASite(i))) {
+          if (std::isinf(tl->getLogLikelihoodForASite(i))) {
             const Site& site = sites->getSite(i);
             s = site.size();
             for (size_t j = 0; j < s; j++) {
@@ -477,7 +477,7 @@
       } else {
         ApplicationTools::displayBooleanResult("Saturated site removal enabled", true);
         for (size_t i = sites->getNumberOfSites(); i > 0; --i) {
-          if (isinf(tl->getLogLikelihoodForASite(i - 1))) {
+          if (std::isinf(tl->getLogLikelihoodForASite(i - 1))) {
             ApplicationTools::displayResult("Ignore saturated site", sites->getSite(i - 1).getPosition());
             sites->deleteSite(i - 1);
           }
@@ -486,7 +486,7 @@
         tl->setData(*sites);
         tl->initialize();
         logL = tl->getValue();
-        if (isinf(logL)) {
+        if (std::isinf(logL)) {
           throw Exception("Likelihood is still 0 after saturated sites are removed! Looks like a bug...");
          }
         ApplicationTools::displayResult("Initial log likelihood", TextTools::toString(-logL, 15));
diff -ur spack-src.org/bppSuite/bppMixedLikelihoods.cpp spack-src/bppSuite/bppMixedLikelihoods.cpp
--- spack-src.org/bppSuite/bppMixedLikelihoods.cpp	2019-11-18 15:59:34.786164416 +0900
+++ spack-src/bppSuite/bppMixedLikelihoods.cpp	2019-11-18 16:26:48.338168188 +0900
@@ -220,7 +220,7 @@
     tl->initialize();
 
     double logL = tl->getValue();
-    if (isinf(logL))
+    if (std::isinf(logL))
     {
       // This may be due to null branch lengths, leading to null likelihood!
       ApplicationTools::displayWarning("!!! Warning!!! Likelihood is zero.");
@@ -235,7 +235,7 @@
       tl->matchParametersValues(pl);
       logL = tl->getValue();
     }
-    if (isinf(logL))
+    if (std::isinf(logL))
     {
       ApplicationTools::displayError("!!! Unexpected likelihood == 0.");
       ApplicationTools::displayError("!!! Looking at each site:");