Use C++14

lionel- · lionel- · commit de6b6877ee49 · 2023-09-10T08:36:11.000+02:00
See #137
diff --git a/DESCRIPTION b/DESCRIPTION
@@ -43,5 +43,5 @@ RoxygenNote: 7.1.2
 Roxygen: list(markdown = TRUE)
 URL: https://vdiffr.r-lib.org/, https://github.com/r-lib/vdiffr
 BugReports: https://github.com/r-lib/vdiffr/issues
-SystemRequirements: libpng
+SystemRequirements: C++14, libpng
 Config/Needs/website: tidyverse/tidytemplate
diff --git a/src/Makevars b/src/Makevars
@@ -1 +1,3 @@
+CXX_STD = CXX14
+
 PKG_LIBS = -lpng -lz
diff --git a/src/Makevars.ucrt b/src/Makevars.ucrt
@@ -1,2 +1,4 @@
+CXX_STD = CXX14
+
 CRT = -ucrt
 include Makevars.win
diff --git a/src/Makevars.win b/src/Makevars.win
@@ -1,3 +1,5 @@
+CXX_STD = CXX14
+
 VERSION = 2.7.4
 RWINLIB = ../windows/harfbuzz-${VERSION}
 

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+CXX_STD = CXX14`
	`2`	`+`
`1`	`3`	`VERSION = 2.7.4`
`2`	`4`	`RWINLIB = ../windows/harfbuzz-${VERSION}`
`3`	`5`