Try to get SeDuMi to build.

Refs: sqlp/sedumi#17

.travis.yml

@@ -11,6 +11,7 @@ addons:
 #     - coinor-libipopt-dev
     - liboctave-dev
     - octave        # octave 4.2.2
+    - libopenblas-dev
     update: true
 
 install:
@@ -50,16 +51,17 @@ script:
 # - mv $TRAVIS_BUILD_DIR/build/ipopt/src/*.mex $TRAVIS_BUILD_DIR/build/ipopt/
 
 # build and install SeDuMi file
-- cd $TRAVIS_BUILD_DIR/sedumi && octave-cli --no-gui --eval "install_sedumi('-rebuild')"
+- cd $TRAVIS_BUILD_DIR/sedumi
+- patch blksdp.h < $TRAVIS_BUILD_DIR/.travis/f77blas_h.patch
+- octave-cli --no-gui --eval "install_sedumi('-rebuild'); savepath"
 
 # build and install SDPT3 file
-- cd $TRAVIS_BUILD_DIR/sdpt3 && octave-cli --no-gui --eval "install_sdpt3('-rebuild')"
+- cd $TRAVIS_BUILD_DIR/sdpt3
+- octave-cli --no-gui --eval "install_sdpt3('-rebuild'); savepath"
 
 # install YALMIP
 - cd $TRAVIS_BUILD_DIR
 - octave-cli --no-gui --eval "addpath(genpath('$TRAVIS_BUILD_DIR/yalmip', '.git', 'o_win', 'dev'), '-end'); savepath"
-- octave-cli --no-gui --eval "addpath(genpath('$TRAVIS_BUILD_DIR/sdpt3',  '.git', 'o_win', 'dev'), '-end'); savepath"
-- octave-cli --no-gui --eval "addpath(genpath('$TRAVIS_BUILD_DIR/sedumi', '.git', 'o_win', 'dev'), '-end'); savepath"
 
 - octave-cli --no-gui --eval ver
 # - octave-cli --no-gui --eval "addpath('$TRAVIS_BUILD_DIR/build/ipopt'); savepath"

.travis/f77blas_h.patch

@@ -0,0 +1,11 @@
+--- blksdp.h	2019-01-14 18:09:32.000000000 -0600
++++ blksdp_new.h	2019-01-14 18:09:47.000000000 -0600
+@@ -38,7 +38,7 @@
+ #define BLKSDP
+ #include "mex.h"
+ #ifdef OCTAVE
+-#include "f77blas.h"
++#include <openblas/f77blas.h>
+ #define FORT(x) BLASFUNC(x)
+ #else
+ #include "blas.h"