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Push responsibility for selecting out-of-line-assembler TAS code out to

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the platform template files, instead of doing it directly in configure.in.
This seems cleaner, and also opens the door to making the choice be
dependent on the compiler being used.
This commit is contained in:
Tom Lane
2003-12-23 18:40:53 +00:00
parent 9adaf64da3
commit baee5f75c5
4 changed files with 52 additions and 33 deletions
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36
configure.in
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@ -1,5 +1,5 @@
dnl Process this file with autoconf to produce a configure script.
dnl $PostgreSQL: pgsql/configure.in,v 1.308 2003/11/29 19:51:16 pgsql Exp $
dnl $PostgreSQL: pgsql/configure.in,v 1.309 2003/12/23 18:40:52 tgl Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@ -97,21 +97,11 @@ AC_MSG_RESULT([$template])
PORTNAME=$template
AC_SUBST(PORTNAME)
# Pick right test-and-set (TAS) code. Most platforms have inline
# assembler code in src/include/storage/s_lock.h, so we just use
# a dummy file here.
case $host in
hppa*-*-hpux*) need_tas=yes; tas_file=hpux_hppa.s ;;
sparc-*-solaris*) need_tas=yes; tas_file=solaris_sparc.s ;;
i?86-*-solaris*) need_tas=yes; tas_file=solaris_i386.s ;;
*) need_tas=no; tas_file=dummy.s ;;
esac
AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
if test "$need_tas" = yes ; then
TAS=tas.o
fi
AC_SUBST(TAS)
# Initialize default assumption that we do not need separate assembly code
# for TAS (test-and-set). This can be overridden by the template file
# when it's executed.
need_tas=no
tas_file=dummy.s
@ -302,6 +292,20 @@ AC_DEFINE_UNQUOTED(PG_VERSION_STR,
[A string containing the version number, platform, and C compiler])
#
# Set up TAS assembly code if needed; the template file has now had its
# chance to request this.
#
AC_CONFIG_LINKS([src/backend/port/tas.s:src/backend/port/tas/${tas_file}])
if test "$need_tas" = yes ; then
TAS=tas.o
else
TAS=""
fi
AC_SUBST(TAS)
#
# Automatic dependency tracking
#