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Tom Lane 44273ce4f6 Select CFLAGS_SL at configure time, not in platform-specific Makefiles.
Move the platform-dependent logic that sets CFLAGS_SL from
src/makefiles/Makefile.foo to src/template/foo, so that the value
is determined at configure time and thus is available while running
configure's tests.

On a couple of platforms this might save a few microseconds of build
time by eliminating a test that make otherwise has to do over and over.
Otherwise it's pretty much a wash for build purposes; in particular,
this makes no difference to anyone who might be overriding CFLAGS_SL
via a make option.

This patch in itself does nothing with the value and thus should not
change any behavior, though you'll probably have to re-run configure
to get a correctly updated Makefile.global.  We'll use the new
configure variable in a follow-on patch.

Per gripe from Kyotaro Horiguchi.  Back-patch to all supported branches,
because the follow-on patch is a portability bug fix.

Discussion: https://postgr.es/m/20191010.144533.263180400.horikyota.ntt@gmail.com
2019-10-21 12:32:35 -04:00

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# src/template/solaris
# Extra CFLAGS for code that will go into a shared library
if test "$GCC" = yes ; then
CFLAGS_SL="-fPIC"
else
CFLAGS_SL="-KPIC"
fi
if test "$SUN_STUDIO_CC" = yes ; then
CC="$CC -Xa" # relaxed ISO C mode
CFLAGS="-v" # -v is like gcc -Wall
if test "$enable_debug" != yes; then
CFLAGS="$CFLAGS -O" # any optimization breaks debug
fi
# Pick the right test-and-set (TAS) code for the Sun compiler.
# We would like to use in-line assembler, but the compiler
# requires *.il files to be on every compile line, making
# the build system too fragile.
case $host_cpu in
sparc)
need_tas=yes
tas_file=sunstudio_sparc.s
;;
i?86|x86_64)
need_tas=yes
tas_file=sunstudio_x86.s
;;
esac
fi