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build: add -Wno-unused-parameter

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The following new warning sneaked in with the gnulib update in the
previous commit:
  In file included from parser.c:49:0:
  ../gl/lib/stat-time.h: In function 'stat_time_normalize':
  ../gl/lib/stat-time.h:215:47: error: unused parameter 'st' \
  [-Werror=unused-parameter]
   stat_time_normalize (int result, struct stat *st)
                                                 ^~

* configure.ac: Add the -Wno-unused-parameter option explicitly as it
is implied - and thus overridden - by the more general -Wunused option.
This commit is contained in:
Bernhard Voelker 2017-12-30 00:32:53 +01:00
parent b755fd9252
commit 7a7dc443d7
1 changed files with 2 additions and 1 deletions
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3
configure.ac
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@ -128,7 +128,6 @@ AC_ARG_ENABLE(compiler-warnings,
findutils_marginal="$findutils_marginal -Wpadded"
findutils_marginal="$findutils_marginal -Wformat-nonliteral"
findutils_marginal="$findutils_marginal -Wunreachable-code"
findutils_marginal="$findutils_marginal -Wunused-parameter"
# -Wdouble-promotion generates many warnings when printing values with fprintf.
findutils_marginal="$findutils_marginal -Wdouble-promotion"
findutils_marginal="$findutils_marginal -Woverlength-strings"
@ -155,6 +154,8 @@ AC_ARG_ENABLE(compiler-warnings,
# tricky as they're comparisons between a type we choose and a type the implementation
# chooses without stating whether or not it is signed (e.g. time_t).
WARN_CFLAGS="$WARN_CFLAGS -Wno-sign-compare"
# Likewise for -Wunused-parameter: it is implied by -Wunused and -Wextra.
gl_WARN_ADD([-Wno-unused-parameter])
])
dnl For --enable-compiler-warnings-are-errors, any GCC compiler