libenca: new package

Extremely Naive Charset Analyser.

This package was originally found at : https://github.com/huceke/buildroot-rbp
By gimli <ebsi4711@gmail.com>

[Peter: drop libiconv dep, tools patch, simplify host tools build]
Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Cc: gimli <ebsi4711@gmail.com>
Cc: Bernd Kuhls <berndkuhls@hotmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/Config.in

@@ -773,6 +773,7 @@ menu "Text and terminal handling"
 source "package/enchant/Config.in"
 source "package/icu/Config.in"
 source "package/libedit/Config.in"
+source "package/libenca/Config.in"
 source "package/libfribidi/Config.in"
 source "package/libiconv/Config.in"
 source "package/linenoise/Config.in"

package/libenca/Config.in

@@ -0,0 +1,6 @@
+config BR2_PACKAGE_LIBENCA
+	bool "libenca"
+	help
+	  Extremely Naive Charset Analyser
+
+	  http://cihar.com/software/enca/

package/libenca/libenca-001-fix-installation-error.patch

@@ -0,0 +1,44 @@
+From 1ca09a1a8f3dd07e2805855a1f1a67a54e8d8adb Mon Sep 17 00:00:00 2001
+From: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
+Date: Wed, 15 Jan 2014 00:20:08 +0100
+Subject: [PATCH 2/3] Fix installation error
+
+ln will complain that the link already exists and will error.
+Adding the -f flag, force ln to recreate the link without failing the
+build.
+
+Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
+---
+ Makefile.am     | 2 +-
+ src/Makefile.am | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/Makefile.am b/Makefile.am
+index b5b50be..ddf1d5f 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -54,7 +54,7 @@ install-data-hook:
+ 	cd $(DESTDIR)$(man1dir); \
+ 	inst1=`echo enca | sed '$(transform)'`.1; \
+ 	inst2=`echo enconv | sed '$(transform)'`.1; \
+-	$(LN_S) $$inst1 $$inst2
++	$(LN_S) -f $$inst1 $$inst2
+ 
+ uninstall-hook:
+ 	inst=`echo enconv | sed '$(transform)'`.1; \
+diff --git a/src/Makefile.am b/src/Makefile.am
+index 2f01a12..3885137 100644
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -47,7 +47,7 @@ install-exec-hook:
+ 	cd $(DESTDIR)$(bindir); \
+ 	inst1=`echo enca | sed '$(transform)'`; \
+ 	inst2=`echo enconv | sed '$(transform)'`; \
+-	$(LN_S) $$inst1$(EXEEXT) $$inst2$(EXEEXT)
++	$(LN_S) -f $$inst1$(EXEEXT) $$inst2$(EXEEXT)
+ 
+ uninstall-hook:
+ 	inst=`echo enconv | sed '$(transform)'`; \
+-- 
+1.8.5.2
+

package/libenca/libenca-002-remove-prefix-hack-in-configure.patch

@@ -0,0 +1,33 @@
+From 354a8217eb735c9678f42436d647571fcebc3ead Mon Sep 17 00:00:00 2001
+From: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
+Date: Wed, 15 Jan 2014 00:46:10 +0100
+Subject: [PATCH 3/3] Remove prefix hack in configure
+
+Signed-off-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
+---
+ configure.ac | 9 ---------
+ 1 file changed, 9 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 9db3b21..9b99df4 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -100,15 +100,6 @@ gtk_CHECK_GTK_DOC
+ dnl Check for good random number sources
+ AC_CHECK_FILES(/dev/random /dev/urandom /dev/srandom /dev/arandom)
+ 
+-dnl Dirty path hack.  Helps some people with badly set up search paths.
+-if test "$prefix" = "NONE"; then
+-  LDFLAGS="$LDFLAGS -L$ac_default_prefix/lib"
+-  CPPFLAGS="$CPPFLAGS -I$ac_default_prefix/include"
+-else
+-  LDFLAGS="$LDFLAGS -L$prefix/lib"
+-  CPPFLAGS="$CPPFLAGS -I$prefix/include"
+-fi
+-
+ dnl Checks for libraries.
+ ye_CHECK_LIBM
+ 
+-- 
+1.8.5.2
+

package/libenca/libenca-003-iconv.patch

@@ -0,0 +1,15 @@
+libiconv.m4: Fix AM_ICONV macro usage
+
+Signed-off-by: Bernd Kuhls <berndkuhls@hotmail.com>
+
+--- a/m4/libiconv.m4 2013-09-30 09:48:22.000000000 +0200
++++ b/m4/libiconv.m4 2014-01-18 12:56:32.634514555 +0100
+@@ -17,7 +17,7 @@
+ dnl
+
+ dnl Use standard iconv test
+-AM_ICONV
++m4_pattern_allow([AM_ICONV])
+ CONVERTER_LIBS="$CONVERTER_LIBS $LIBICONV"
+
+ dnl Compile iconvcap.c and run it to determine what encodings iconv actually

package/libenca/libenca.mk

@@ -0,0 +1,26 @@
+################################################################################
+#
+# libenca
+#
+################################################################################
+
+LIBENCA_VERSION = 1.15
+LIBENCA_SITE = $(call github,nijel,enca,$(LIBENCA_VERSION))
+LIBENCA_INSTALL_STAGING = YES
+LIBENCA_AUTORECONF = YES
+LIBENCA_LICENSE = GPLv2
+LIBENCA_LICENSE_FILES = COPYING
+LIBENCA_DEPENDENCIES = $(if $(BR2_PACKAGE_LIBICONV),libiconv)
+
+LIBENCA_CONF_ENV += ac_cv_file__dev_random=yes \
+			ac_cv_file__dev_urandom=yes \
+			ac_cv_file__dev_arandom=no \
+			ac_cv_file__dev_srandom=no
+
+define LIBENCA_MAKE_HOST_TOOL
+	$(MAKE) -C $(@D)/tools $(HOST_CONFIGURE_OPTS) make_hash
+endef
+
+LIBENCA_POST_CONFIGURE_HOOKS += LIBENCA_MAKE_HOST_TOOL
+
+$(eval $(autotools-package))