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nixpkgs/pkgs/development/libraries/levmar/use-atlas.patch

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diff --git a/Makefile b/Makefile
index af70b4c..53c6fab 100644
--- a/Makefile
+++ b/Makefile
@@ -15,11 +15,11 @@ DEMOBJS=lmdemo.o
DEMOSRCS=lmdemo.c
AR=ar
RANLIB=ranlib
-LAPACKLIBS=-llapack -lblas -lf2c # comment this line if you are not using LAPACK.
+#LAPACKLIBS=-llapack -lblas -lf2c # comment this line if you are not using LAPACK.
# On systems with a FORTRAN (not f2c'ed) version of LAPACK, -lf2c is
# not necessary; on others, -lf2c is equivalent to -lF77 -lI77
-#LAPACKLIBS=-L/usr/local/atlas/lib -llapack -lcblas -lf77blas -latlas -lf2c # This works with the ATLAS updated lapack and Linux_P4SSE2
+LAPACKLIBS=-llapack -lcblas -lf77blas -latlas -lgfortran # This works with the ATLAS updated lapack and Linux_P4SSE2
# from http://www.netlib.org/atlas/archives/linux/
#LAPACKLIBS=-llapack -lgoto2 -lpthread -lf2c # This works with GotoBLAS
diff --git a/misc.h b/misc.h
index e32f18d..827507e 100644
--- a/misc.h
+++ b/misc.h
@@ -30,11 +30,11 @@
/* f2c'd BLAS */
//#define LM_BLAS_PREFIX f2c_
/* C BLAS */
-//#define LM_BLAS_PREFIX cblas_
+#define LM_BLAS_PREFIX cblas_
/* common suffix for BLAS subroutines */
-//#define LM_BLAS_SUFFIX // define empty if a f2c_ or cblas_ prefix was defined for LM_BLAS_PREFIX above
-#define LM_BLAS_SUFFIX _ // use this in case of no BLAS prefix
+#define LM_BLAS_SUFFIX // define empty if a f2c_ or cblas_ prefix was defined for LM_BLAS_PREFIX above
+//#define LM_BLAS_SUFFIX _ // use this in case of no BLAS prefix
#define LCAT_(a, b) #a b