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changeset 33384:899b5fb309ee

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build: Use C++17 for compiling build tools when cross compiling. * configure.ac (BUILD_CXX, BUILD_CXXFLAGS): We are requiring a C++17 compiler to build Octave. Also use C++17 when building (native) build tools while cross-compiling. Allow GNU extensions for those build tools. Add the "-std" flag to BUILD_CXX instead of BUILD_CXXFLAGS to mirror what is done for native builds.
author Markus Mützel <markus.muetzel@gmx.de>
date Fri, 12 Apr 2024 20:53:15 +0200
parents 79cfa1b7a813
children e28b0e670d18
files configure.ac
diffstat 1 files changed, 2 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/configure.ac	Fri Apr 12 11:15:32 2024 -0400
+++ b/configure.ac	Fri Apr 12 20:53:15 2024 +0200
@@ -1011,8 +1011,8 @@
 if test "$cross_compiling" = yes; then
   BUILD_CC="gcc"
   BUILD_CFLAGS="-O2 -g"
-  BUILD_CXX="g++"
-  BUILD_CXXFLAGS="-O2 -g -std=c++11"
+  BUILD_CXX="g++ -std=gnu++17"
+  BUILD_CXXFLAGS="-O2 -g"
   BUILD_LDFLAGS=""
   BUILD_EXEEXT=""
 else