gnucash-on-flatpak master: Upgrade boost to latest release, build for C++17.

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash-on-flatpak/commit/c922f6eb (commit)
	from  https://github.com/Gnucash/gnucash-on-flatpak/commit/4be864ef (commit)



commit c922f6ebee39894ec83768a7c5d7c439be90215c
Author: John Ralls <jralls at ceridwen.us>
Date:   Sun Apr 26 13:31:52 2020 -0700

    Upgrade boost to latest release, build for C++17.

diff --git a/modules/boost.json b/modules/boost.json
index 831dfe2..05442d0 100644
--- a/modules/boost.json
+++ b/modules/boost.json
@@ -4,13 +4,13 @@
     "sources": [
         {
             "type": "archive",
-            "url": "https://downloads.sourceforge.net/boost/boost/1.66.0/boost_1_66_0.tar.bz2",
-            "sha256": "5721818253e6a0989583192f96782c4a98eb6204965316df9f5ad75819225ca9"
+            "url": "https://downloads.sourceforge.net/boost/boost/1.72.0/boost_1_72_0.tar.bz2",
+            "sha256": "59c9b274bc451cf91a9ba1dd2c7fdcaf5d60b1b3aa83f2c9fa143417cc660722"
         }
     ],
     "build-commands": [
         "./bootstrap.sh --prefix=/app --with-libraries=locale,filesystem,system,date_time,regex",
         "./b2 headers",
-        "./b2 -j$FLATPAK_BUILDER_N_JOBS install variant=release --layout=system"
+        "./b2 -j$FLATPAK_BUILDER_N_JOBS install variant=release cxxstd=17 --layout=system"
     ]
 }



Summary of changes:
 modules/boost.json | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)