check for leptonica version; add info to tesseract.pc about opencl li…

…b if needed git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@1035 d0cd1f9f-072b-0410-8dd7-cf729c803f20
allen8807 · Jan 31, 2014 · e28176c · e28176c
1 parent 2ad6377
commit e28176c
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/configure.ac b/configure.ac
@@ -347,6 +347,17 @@ else
   AC_MSG_ERROR([leptonica not found])
 fi
 
+AC_MSG_CHECKING([leptonica version >= 1.70])
+AC_PREPROC_IFELSE(
+    [AC_LANG_PROGRAM([#include <leptonica/allheaders.h>],
+[#if (LIBLEPT_MINOR_VERSION >= 1) && (LIBLEPT_MINOR_VERSION >= 70)
+int i = 0;
+#else
+#error You need to upgrade your leptonica library!
+#endif])],
+    [AC_MSG_RESULT(yes)],
+    [AC_MSG_FAILURE([leptonica 1.70 or higher is required])])
+
 # Check location of icu headers
 have_icu=false
 AC_CHECK_HEADERS(unicode/uchar.h, have_icu=true, have_icu=false)

diff --git a/tesseract.pc.in b/tesseract.pc.in
@@ -12,5 +12,5 @@ URL: https://code.google.com/p/tesseract-ocr
 Version: @VERSION@
 # Requires.private: lept
 Libs: -L${libdir} -ltesseract
-Libs.private: -lpthread -llept
+Libs.private: -lpthread -llept @OPENCL_LIB@
 Cflags: -I${includedir}