ntop: Pass PYTHON_CONFIG to configure

This aids cross-building, otherwise configure goes into weeks to find
these especially python-config and starts to poke at host files e.g.
if /etc/debian_release exists then it errors out, but if it does not
then it deploys a workaround and continues build, as a result we see
ntop fail the build on debian-like build hosts but not on others eg.
archlinux

Ensure that linking with libpython happens therefore use
python3-config --libs --embed

Fixes
checking for arm-yoe-linux-gnueabi-python-config... no
checking for python-config... no
Please install python-dev and rerun configure

Signed-off-by: Khem Raj <raj.khem@gmail.com>

2 files changed, 22 insertions, 1 deletions

diff --git a/meta-networking/recipes-support/ntop/ntop/embed-libs.patch b/meta-networking/recipes-support/ntop/ntop/embed-libs.patch
new file mode 100644
index 000000000..2d1ab7371
--- /dev/null
+++ b/meta-networking/recipes-support/ntop/ntop/embed-libs.patch
@@ -0,0 +1,20 @@
+Use --embed option so that it can return libpython as well
+
+% ../recipe-sysroot-native/usr/bin/python3-native/python3-config --libs --embed
+-lpython3.8 -lcrypt -lpthread -ldl -lutil -lm -lm
+[kraj@apollo /mnt/b/yoe/build/tmp/work/cortexa7t2hf-neon-vfpv4-yoe-linux-gnueabi/ntop/5.0.1-r0/ntop-5.0.1]
+% ../recipe-sysroot-native/usr/bin/python3-native/python3-config --libs
+-lcrypt -lpthread -ldl -lutil -lm -lm
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+--- a/configure.in
++++ b/configure.in
+@@ -1463,7 +1463,7 @@ dnl>
+   fi
+ 
+   if test "x$PYTHON_CONFIG" != "x"; then
+-    PYTHON_LIBS="`$PYTHON_CONFIG --libs`"
++    PYTHON_LIBS="`$PYTHON_CONFIG --libs --embed`"
+     if test "x$PYTHON_LIBS" = "x"; then
+       AC_MSG_RESULT(Python[-devel] support is present but misconfigured)     
+     else   
diff --git a/meta-networking/recipes-support/ntop/ntop_5.0.1.bb b/meta-networking/recipes-support/ntop/ntop_5.0.1.bb
index 2d37969a7..d835e399b 100644
--- a/meta-networking/recipes-support/ntop/ntop_5.0.1.bb
+++ b/meta-networking/recipes-support/ntop/ntop_5.0.1.bb
@@ -19,6 +19,7 @@ SRC_URI = "${SOURCEFORGE_MIRROR}/ntop/ntop-${PV}.tar.gz \
            file://0001-nDPI-Include-sys-types.h.patch \
            file://0001-plugins-Makefile.am-fix-for-automake-1.16.1.patch \
            file://fix-missing-return-from-non-void-function.patch \
+           file://embed-libs.patch \
           "
 SRC_URI[md5sum] = "01710b6925a8a5ffe1a41b8b512ebd69"
 SRC_URI[sha256sum] = "7e8e84cb14d2173beaca4d4cb991a14d84a4bef84ec37b2276bc363f45c52ef8"
@@ -35,7 +36,7 @@ PACKAGECONFIG[snmp] = "--enable-snmp=yes NETSNMP=${STAGING_BINDIR_CROSS}/net-snm
 --disable-snmp,net-snmp,"
 PACKAGECONFIG[plugins] = "--enable-plugins=yes, --disable-plugins, ,"
 
-EXTRA_OECONF += "ac_cv_file_aclocal_m4=yes ac_cv_file_depcomp=no"
+EXTRA_OECONF += "ac_cv_file_aclocal_m4=yes ac_cv_file_depcomp=no PYTHON_CONFIG=python3-config"
 
 do_configure() {
     cp ${STAGING_DATADIR_NATIVE}/aclocal/libtool.m4 libtool.m4.in