Use only a single (cached) variable to hold the version number.
1 AC_DEFUN([LX_CHECK_CPLEX],
4 AS_HELP_STRING([--with-cplex@<:@=PREFIX@:>@], [search for CPLEX under PREFIX or under the default search paths if PREFIX is not given @<:@default@:>@])
5 AS_HELP_STRING([--without-cplex], [disable checking for CPLEX]),
8 AC_ARG_WITH([cplex-includedir],
9 AS_HELP_STRING([--with-cplex-includedir=DIR], [search for CPLEX headers in DIR]),
10 [], [with_cplex_includedir=no])
12 AC_ARG_WITH([cplex-libdir],
13 AS_HELP_STRING([--with-cplex-libdir=DIR], [search for CPLEX libraries in DIR]),
14 [], [with_cplex_libdir=no])
17 if test x"$with_cplex" != x"no"; then
18 AC_MSG_CHECKING([for CPLEX])
20 if test x"$with_cplex_includedir" != x"no"; then
21 CPLEX_CFLAGS="-I$with_cplex_includedir"
22 elif test x"$with_cplex" != x"yes"; then
23 CPLEX_CFLAGS="-I$with_cplex/include"
24 elif test x"$CPLEX_INCLUDEDIR" != x; then
25 CPLEX_CFLAGS="-I$CPLEX_INCLUDEDIR"
28 if test x"$with_cplex_libdir" != x"no"; then
29 CPLEX_LDFLAGS="-L$with_cplex_libdir"
30 elif test x"$with_cplex" != x"yes"; then
31 CPLEX_LDFLAGS="-L$with_cplex/lib"
32 elif test x"$CPLEX_LIBDIR" != x; then
33 CPLEX_LDFLAGS="-L$CPLEX_LIBDIR"
35 CPLEX_LIBS="-lcplex -lm -lpthread"
37 lx_save_cxxflags="$CXXFLAGS"
38 lx_save_ldflags="$LDFLAGS"
40 CXXFLAGS="$CPLEX_CFLAGS"
41 LDFLAGS="$CPLEX_LDFLAGS"
46 #include <ilcplex/cplex.h>
49 int main(int argc, char** argv)
56 AC_LINK_IFELSE([$lx_cplex_test_prog], [lx_cplex_found=yes], [lx_cplex_found=no])
59 CXXFLAGS="$lx_save_cxxflags"
60 LDFLAGS="$lx_save_ldflags"
63 if test x"$lx_cplex_found" = x"yes"; then
64 AC_DEFINE([HAVE_CPLEX], [1], [Define to 1 if you have CPLEX.])
73 CPLEX_LIBS="$CPLEX_LDFLAGS $CPLEX_LIBS"
74 AC_SUBST(CPLEX_CFLAGS)
76 AM_CONDITIONAL([HAVE_CPLEX], [test x"$lx_cplex_found" = x"yes"])