Don't set {GLPK,CPLEX}_{CFLAGS,LIBS} if the check fails.
1.1 --- a/config/lp.m4 Sat Apr 23 17:14:49 2005 +0000
1.2 +++ b/config/lp.m4 Sun Apr 24 22:26:37 2005 +0000
1.3 @@ -30,9 +30,9 @@
1.4 fi
1.5 GLPK_LIBS="-lglpk"
1.6
1.7 - lx_save_cxxflags="$CXXFLAGS";
1.8 - lx_save_ldflags="$LDFLAGS";
1.9 - lx_save_libs="$LIBS";
1.10 + lx_save_cxxflags="$CXXFLAGS"
1.11 + lx_save_ldflags="$LDFLAGS"
1.12 + lx_save_libs="$LIBS"
1.13 CXXFLAGS="$GLPK_CFLAGS"
1.14 LDFLAGS="$GLPK_LDFLAGS"
1.15 LIBS="$GLPK_LIBS"
1.16 @@ -62,6 +62,9 @@
1.17 AC_DEFINE([HAVE_GLPK], [1], [Define to 1 if you have GLPK.])
1.18 AC_MSG_RESULT([yes])
1.19 else
1.20 + $GLPK_CFLAGS=""
1.21 + $GLPK_LDFLAGS=""
1.22 + $GLPK_LIBS=""
1.23 AC_MSG_RESULT([no])
1.24 fi
1.25 fi
1.26 @@ -104,9 +107,9 @@
1.27 fi
1.28 CPLEX_LIBS="-lcplex -lm -lpthread"
1.29
1.30 - lx_save_cxxflags="$CXXFLAGS";
1.31 - lx_save_ldflags="$LDFLAGS";
1.32 - lx_save_libs="$LIBS";
1.33 + lx_save_cxxflags="$CXXFLAGS"
1.34 + lx_save_ldflags="$LDFLAGS"
1.35 + lx_save_libs="$LIBS"
1.36 CXXFLAGS="$CPLEX_CFLAGS"
1.37 LDFLAGS="$CPLEX_LDFLAGS"
1.38 LIBS="$CPLEX_LIBS"
1.39 @@ -118,7 +121,7 @@
1.40
1.41 int main(int argc, char* argv[])
1.42 {
1.43 - CPXENVptr env = NULL;
1.44 + CPXENVptr env = NULL;
1.45 return 0;
1.46 }'
1.47
1.48 @@ -134,6 +137,9 @@
1.49 AC_DEFINE([HAVE_CPLEX], [1], [Define to 1 if you have CPLEX.])
1.50 AC_MSG_RESULT([yes])
1.51 else
1.52 + $CPLEX_CFLAGS=""
1.53 + $CPLEX_LDFLAGS=""
1.54 + $CPLEX_LIBS=""
1.55 AC_MSG_RESULT([no])
1.56 fi
1.57 fi