wxwidgets: fix wx-config multilib issue

It sets 'libdir' with path element 'lib' directly which is not suitable
for multilib. Add an option '--baselib' for wx-config to support
multilib when cross compile.

And set EGREP for wx-config to avoid host contamination.

Signed-off-by: Kai Kang <kai.kang@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-extended/wxwidgets/wxwidgets/wx-config-fix-libdir-for-multilib.patch

@@ -0,0 +1,56 @@
+It sets 'libdir' with path element 'lib' directly which is not suitable for
+multilib. Add an option '--baselib' for wx-config to support multilib when
+cross compile. And set default value of baselib with "lib${wxPLATFORM_LIB_DIR}".
+
+Upstream-Status: Pending [oe specific]
+
+Signed-off-by: Kai Kang <kai.kang@windriver.com>
+---
+ build/cmake/config.cmake | 2 +-
+ wx-config.in             | 6 ++++--
+ 2 files changed, 5 insertions(+), 3 deletions(-)
+
+diff --git a/build/cmake/config.cmake b/build/cmake/config.cmake
+index 52ae69d3f6..28aa733eb0 100644
+--- a/build/cmake/config.cmake
++++ b/build/cmake/config.cmake
+@@ -86,7 +86,7 @@ function(wx_write_config)
+     set(prefix ${CMAKE_INSTALL_PREFIX})
+     set(exec_prefix "\${prefix}")
+     set(includedir "\${prefix}/include")
+-    set(libdir "\${exec_prefix}/lib")
++    set(libdir "\${exec_prefix}/\${baselib}")
+     set(bindir "\${exec_prefix}/bin")
+ 
+     find_program(EGREP egrep)
+diff --git a/wx-config.in b/wx-config.in
+index e3f7d115bb..0e78af03c7 100755
+--- a/wx-config.in
++++ b/wx-config.in
+@@ -42,7 +42,8 @@ usage()
+ {
+     cat 1>&2 <<EOF
+ 
+- wx-config [--prefix[=DIR]] [--exec-prefix[=DIR]] [--release] [--version-full]
++ wx-config [--prefix[=DIR]] [--exec-prefix[=DIR]][--baselib=DIR]
++           [--release] [--version-full]
+            [--list] [--selected-config] [--host=HOST] [--toolkit=TOOLKIT]
+            [--universal[=yes|no]] [--unicode[=yes|no]] [--static[=yes|no]]
+            [--debug[=yes|no]] [--version[=VERSION]] [--flavour=FLAVOUR]
+@@ -137,7 +138,7 @@ wxconfig_output_options="prefix exec_prefix
+ 
+ # Options that permit the user to supply hints that may affect the output.
+ # These options all accept arbitrary values, to interpret as they please.
+-wxconfig_input_options="prefix exec_prefix utility $wxconfig_schema"
++wxconfig_input_options="prefix exec_prefix baselib utility $wxconfig_schema"
+ 
+ # Input options that accept only a yes or no argument.
+ #
+@@ -404,6 +405,7 @@ is_cross()  { [ "x@cross_compiling@" = "xyes" ]; }
+ # Determine the base directories we require.
+ prefix=${input_option_prefix-${this_prefix:-@prefix@}}
+ exec_prefix=${input_option_exec_prefix-${input_option_prefix-${this_exec_prefix:-@exec_prefix@}}}
++baselib=${input_option_baselib:-lib@wxPLATFORM_LIB_DIR@}
+ wxconfdir="@libdir@/wx/config"
+ 
+ installed_configs=`cd "$wxconfdir" 2> /dev/null && ls | grep -v "^inplace-"`

meta-oe/recipes-extended/wxwidgets/wxwidgets_3.1.5.bb

@@ -24,6 +24,7 @@ SRC_URI = " \
     file://fix-libdir-for-multilib.patch \
     file://respect-DESTDIR-when-create-link.patch \
     file://not-append-system-name-to-lib-name.patch \
+    file://wx-config-fix-libdir-for-multilib.patch \
 "
 SRCREV= "9c0a8be1dc32063d91ed1901fd5fcd54f4f955a1"
 S = "${WORKDIR}/git"
@@ -42,6 +43,7 @@ EXTRA_OECMAKE += " \
 EXTRA_OECMAKE:append:libc-musl = " \
     -DHAVE_LOCALE_T=OFF \
 "
+EXTRA_OECMAKE:append:class-target = ' -DEGREP="/bin/grep -E"'
 
 # All toolkit-configs except 'no_gui' require x11 explicitly (see toolkit.cmake)
 PACKAGECONFIG ?= "${@bb.utils.contains('DISTRO_FEATURES', 'x11', 'gtk', 'no_gui', d)} \
@@ -113,4 +115,6 @@ FILES:${PN}-dev += " \
     ${libdir}/wx/config/ \
 "
 
+RDEPENDS:${PN}-dev += "grep"
+
 BBCLASSEXTEND = "native"