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Assume that we have signed integral types and flexible array members.

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These compiler features are required by C99, so remove the configure
probes for them.

This is part of a series of commits to get rid of no-longer-relevant
configure checks and dead src/port/ code.  I'm committing them separately
to make it easier to back out individual changes if they prove less
portable than I expect.

Discussion: https://postgr.es/m/15379.1582221614@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2020-02-21 14:30:21 -05:00
parent 97cf1fa4ed
commit f4d59369d2
6 changed files with 10 additions and 103 deletions
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15
config/c-compiler.m4
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@ -2,21 +2,6 @@
# config/c-compiler.m4
# PGAC_C_SIGNED
# -------------
# Check if the C compiler understands signed types.
AC_DEFUN([PGAC_C_SIGNED],
[AC_CACHE_CHECK(for signed types, pgac_cv_c_signed,
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[signed char c; signed short s; signed int i;])],
[pgac_cv_c_signed=yes],
[pgac_cv_c_signed=no])])
if test x"$pgac_cv_c_signed" = xno ; then
AC_DEFINE(signed,, [Define to empty if the C compiler does not understand signed types.])
fi])# PGAC_C_SIGNED
# PGAC_C_PRINTF_ARCHETYPE
# -----------------------
# Select the format archetype to be used by gcc to check printf-type functions.