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Changed the default to C++17 for QNX and g++ versions older as 11 (11… #2212

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merged 4 commits into from
Apr 8, 2024
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Changed the default to C++17 for QNX and g++ versions older as 11 (11… #2212

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33d1703
Changed the default to C++17 for QNX and g++ versions older as 11 (11…
jwillemsen Apr 5, 2024
5346abc
Merge branch 'master' into jwi-defaultcpp17
jwillemsen Apr 5, 2024
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jwillemsen Apr 5, 2024
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Merge branch 'jwi-defaultcpp17' of https://github.com/jwillemsen/ATCD…
jwillemsen Apr 5, 2024
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3 changes: 3 additions & 0 deletions ACE/NEWS
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Original file line number Diff line number Diff line change
@@ -1,6 +1,9 @@
USER VISIBLE CHANGES BETWEEN ACE-7.1.3 and ACE-7.1.4
====================================================

. With g++ versions < 11 we default to C++17 as
minimum C++ standards level

USER VISIBLE CHANGES BETWEEN ACE-7.1.2 and ACE-7.1.3
====================================================

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14 changes: 14 additions & 0 deletions ACE/include/makeinclude/platform_g++_common.GNU
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Expand Up @@ -74,6 +74,20 @@ endif

CXX_FULL_VERSION := $(shell $(CXX_FOR_VERSION_TEST) --version)

# Minimum C++ level is now C++17, gcc until version 11 have an older version as default
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This isn't consistent with what the title of PR is. I'm also still not sure what the purpose of changing the default from the compiler default is. Does ACE still compile with C++14?

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ACE master currently compiles with C++14, this is a first step towards C++17 as minimum required level. Someone has to dive into the microsoft support, when we have there C++17 as default I plan to move C++17 as minimum level

ifeq ($(findstring $(CXX_MAJOR_VERSION),7),$(CXX_MAJOR_VERSION))
c++std ?= c++17
endif
ifeq ($(findstring $(CXX_MAJOR_VERSION),8),$(CXX_MAJOR_VERSION))
c++std ?= c++17
endif
ifeq ($(findstring $(CXX_MAJOR_VERSION),9),$(CXX_MAJOR_VERSION))
c++std ?= c++17
endif
ifeq ($(findstring $(CXX_MAJOR_VERSION),10),$(CXX_MAJOR_VERSION))
Comment on lines +78 to +87
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This looks like this would match versions 17, 18, 19, 27, etc. If this was run with those versions it would downgrade the standard being used if the user didn't set c++std.

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This matches the code we had in the past for C++11, will have a look at this before the next micro, feel free to open a PR

c++std ?= c++17
endif

# Only modify LDFLAGS if DLD has been set.
ifneq ($(DLD),)
ifeq ($(DLD),$(CXX_FOR_VERSION_TEST)) # only try this is we are using ld through gcc
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2 changes: 1 addition & 1 deletion ACE/include/makeinclude/platform_qnx_gcc.GNU
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Expand Up @@ -6,7 +6,7 @@ debug ?= 1
optimize ?= 0
threads ?= 1
pipes ?= 0
c++std ?= gnu++14
c++std ?= gnu++17

CCFLAGS += -fexceptions
LDFLAGS += -fexceptions
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