solve CRAN complaints

.gitignore

@@ -39,3 +39,4 @@ src/Makevars
 config.log
 config.status
 autom4te.cache/*
+configure~

DESCRIPTION

@@ -1,7 +1,7 @@
 Package: poismf
 Type: Package
 Title: Factorization of Sparse Counts Matrices Through Poisson Likelihood
-Version: 0.4.0-2
+Version: 0.4.0-3
 Authors@R: c(
   person(given="David", family="Cortes", role=c("aut", "cre", "cph"),
          email="[email protected]"),

configure

@@ -3186,12 +3186,9 @@ fi
 
 
 
-ac_ext=c
-ac_cpp='$CPP $CPPFLAGS'
-ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
-ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
-ac_compiler_gnu=$ac_cv_c_compiler_gnu
-
+CC=`"${R_HOME}/bin/R" CMD config CC`
+CFLAGS=`"${R_HOME}/bin/R" CMD config CFLAGS`
+CPPFLAGS=`"${R_HOME}/bin/R" CMD config CPPFLAGS`
 OLD_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -fno-math-errno"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext

configure.ac

@@ -11,7 +11,9 @@ fi
 AC_SUBST(OMP_PLUS_ATOMIC_L)
 AC_SUBST(OMP_PLUS_ATOMIC)
 
-AC_LANG(C)
+CC=`"${R_HOME}/bin/R" CMD config CC`
+CFLAGS=`"${R_HOME}/bin/R" CMD config CFLAGS`
+CPPFLAGS=`"${R_HOME}/bin/R" CMD config CPPFLAGS`
 OLD_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -fno-math-errno"
 AC_COMPILE_IFELSE(