Provide pkgconfig file (issue 451), improve configure.ac and INSTALL.SVN

git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@733 d0cd1f9f-072b-0410-8dd7-cf729c803f20

INSTALL.SVN

@@ -19,10 +19,14 @@ So, the steps for making Tesseract are:
 available language data files in tessdata directory.
 
 If you want to install just few of them than run:
-  $ make install LANGS="eng ara deu"
+  $ sudo make install-langs LANGS="eng ara deu"
 It will install only English, Arabic and German language datafiles (if 
 they are present in tessdata directory)
 
+  $ sudo make install LANGS="eng ara deu"
+will install tesseract library, tesseract programs  and English, Arabic 
+and German language datafiles.
+
 To compile ScrollView.jar you need to download piccolo.JAVA[1] from
 http://www.piccolo2d.org/download.html and extract 
 piccolo-1.2/build/piccolo.jar to tesseract/java as piccolo-1.2.jar and

Makefile.am

@@ -12,7 +12,8 @@ endif
 #endif
 
 EXTRA_DIST = eurotext.tif phototest.tif ReleaseNotes \
-	aclocal.m4 config configure.ac autogen.sh tesseract.spec contrib
+	aclocal.m4 config configure.ac autogen.sh tesseract.spec contrib \
+	tesseract.pc.in
 
 #EXTRA_DIST = doc/html doc/@PACKAGE_NAME@_@PACKAGE_VERSION@.pdf doc/@PACKAGE_NAME@_@PACKAGE_VERSION@.ps.gz
 
@@ -63,3 +64,6 @@ doc-pack: doc
 
 doc-clean:
 	rm -rf $(top_srcdir)/doc/html/*
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = tesseract.pc

configure.ac

@@ -155,13 +155,11 @@ AC_ARG_ENABLE([debug],
     [debug="no"])
 AC_MSG_RESULT($debug)
 if test x"$debug" = x"yes"; then
-    AC_DEFINE([DEBUG],[],[Debug Mode])
-    AM_CXXFLAGS="$AM_CXXFLAGS -g -Wall -Wno-uninitialized -O0"
-    AM_CPPFLAGS="$AM_CPPFLAGS -g -Wall -Wno-uninitialized -O0"
+    AM_CXXFLAGS="$AM_CXXFLAGS -g -Wall -Wno-uninitialized -O0 -DDEBUG"
+    AM_CPPFLAGS="$AM_CPPFLAGS -g -Wall -Wno-uninitialized -O0 -DDEBUG"
 else
-    AC_DEFINE([NDEBUG],[],[No-debug Mode])
-    AM_CXXFLAGS="$AM_CXXFLAGS -O3"
-    AM_CPPFLAGS="$AM_CPPFLAGS -O3"
+    AM_CXXFLAGS="$AM_CXXFLAGS -O3 -DNDEBUG"
+    AM_CPPFLAGS="$AM_CPPFLAGS -O3 -DNDEBUG"
 fi
 
 #localedir='${prefix}/share/locale'
@@ -430,7 +428,7 @@ fi
 # AC_DEFINE_UNQUOTED(TESSERACT_VERSION,["${PACKAGE_VERSION}"],[version string])
 
 # Output files
-AC_CONFIG_FILES(Makefile)
+AC_CONFIG_FILES([Makefile tesseract.pc])
 #if test "$enable_gettext" = "yes"; then
 #AC_CONFIG_FILES(po/Makefile.in)
 #fi

tesseract.pc.in

@@ -0,0 +1,14 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+bindir=@bindir@
+datadir=@datadir@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: @PACKAGE_NAME@
+Description: An OCR Engine that was developed at HP Labs between 1985 and 1995... and now at Google.
+URL: https://code.google.com/p/tesseract-ocr
+Version: @VERSION@
+Requires: lept
+Libs: -L${libdir} -ltesseract @LDFLAGS@ @LIBS@
+Cflags: -I${includedir} @CFLAGS@ @CPPFLAGS@ @CXXFLAGS@ @DEFS@