On 9/8/22 10:40, Mark Rivers via Core-talk wrote:
I just built base 7.0.7 on Centos 7 with no changes to the files in configure/os.
Right, I wasn't paying attention. Automatic detection now depends
on GCC version. As I recall, centos7 has GCC 4.8, which is too old.
You will need to manually specify COMMANDLINE_LIBRARY for the time
being. (and hopefully put an OS upgrade on your roadmap)
My IOCs now are not built with libreadline, while in base 7.0.6.1 they were, again with no changes to the configure/os files.
I see this change between base 7.0.6.1 and base 7.0.7
corvette:base-7.0.7/configure/os>git diff R7.0.6.1 R7.0.7 CONFIG_SITE.Common.linux-x
CONFIG_SITE.Common.linux-x86 CONFIG_SITE.Common.linux-x86_64 CONFIG_SITE.Common.linux-xscale_be
corvette:base-7.0.7/configure/os>git diff R7.0.6.1 R7.0.7 CONFIG_SITE.Common.linux-x86_64
diff --git a/configure/os/CONFIG_SITE.Common.linux-x86_64 b/configure/os/CONFIG_SITE.Common.linux-x86_64
index e098b76..b98385f 100644
--- a/configure/os/CONFIG_SITE.Common.linux-x86_64
+++ b/configure/os/CONFIG_SITE.Common.linux-x86_64
@@ -15,10 +15,6 @@
# to inform the system of the shared library location.
-# Use GNU Readline if the header file is installed
-COMMANDLINE_LIBRARY = $(strip $(if $(wildcard \
- $(GNU_DIR)/include/readline/readline.h), READLINE, EPICS))
-
# If libreadline needs additional libraries to be linked with it, try
# uncommenting each of the lines below in turn, starting with the top
# one and working downwards, until the build succeeds. Do a 'make rebuild'
The release notes say:
*Automatic COMMANDLINE_LIBRARY w/ newer compilers*
When built with a compiler supporting __has_include<>, the presence of the <readline/readline.h> will be used to automatically determine a default value for COMMANDLINE_LIBRARY.
Mingw builds with readline support now link -ltermcap instead of -lcurses.
This should not effect sites which set explicitly set COMMANDLINE_LIBRARY as the only definition in Base now has the form COMMANDLINE_LIBRARY ?= ....
I interpret the first sentence here to mean that the test for COMMANDLINE_LIBRARY is done in the compiler if possible, but it does not say that the previous way of doing it in the CONFIG_SITE file (for older compilers) has been removed
Does this mean that I now need to edit CONFIG_SITE.Common.linux-x86_64 to manually set COMMANDLINE_LIBRARY?
Thanks,
Mark
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