configure: Add FreeImage and GSL prefix/libdir options.

1 files changed, 46 insertions, 0 deletions

diff --git a/configure.ac b/configure.ac
index 1dfa107..0b2ba97 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,6 +23,52 @@ dnl test instead.
 AC_CHECK_LIB([freeimage], [FreeImage_GetVersion],,
   [AC_MSG_ERROR([freeimage not found.])])
 
+LIBFREEIMAGE="libfreeimage"
+LIBFREEIMAGE_LIBDIR="no"
+LIBFREEIMAGE_PREFIX="no"
+
+AC_ARG_WITH([libfreeimage-prefix],
+  [AS_HELP_STRING([--with-libfreeimage-prefix=DIR], [search for FreeImage in DIR])],
+  [case "$withval" in
+    yes|no)
+      ;;
+    *)
+      LIBFREEIMAGE="$withval/lib/libfreeimage"
+      LIBFREEIMAGE_PREFIX="$withval"
+      LIBFREEIMAGE_LIBDIR="$withval/lib"
+      ;;
+   esac])
+
+dnl Library name suitable for `dynamic-link'.
+AC_MSG_CHECKING([for libfreeimage shared library name])
+AC_MSG_RESULT([$LIBFREEIMAGE])
+AC_SUBST([LIBFREEIMAGE])
+AC_SUBST([LIBFREEIMAGE_PREFIX])
+AC_SUBST([LIBFREEIMAGE_LIBDIR])
+
+LIBGSLCBLAS="libgslcblas"
+LIBGSLCBLAS_LIBDIR="no"
+LIBGSLCBLAS_PREFIX="no"
+
+AC_ARG_WITH([libgslcblas-prefix],
+  [AS_HELP_STRING([--with-libgslcblas-prefix=DIR], [search for GSL CBLAS in DIR])],
+  [case "$withval" in
+    yes|no)
+      ;;
+    *)
+      LIBGSLCBLAS="$withval/lib/libgslcblas"
+      LIBGSLCBLAS_PREFIX="$withval"
+      LIBGSLCBLAS_LIBDIR="$withval/lib"
+      ;;
+   esac])
+
+dnl Library name suitable for `dynamic-link'.
+AC_MSG_CHECKING([for libgslcblas shared library name])
+AC_MSG_RESULT([$LIBGSLCBLAS])
+AC_SUBST([LIBGSLCBLAS])
+AC_SUBST([LIBGSLCBLAS_PREFIX])
+AC_SUBST([LIBGSLCBLAS_LIBDIR])
+
 PKG_CHECK_MODULES([GSL], [gsl])
 
 AC_OUTPUT