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Force GTK1 build to use -std=gnu89.

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Every time I do my standard re-test against all three major versions
of GTK, I have to annoyingly remember that the GTK1 headers contain
code that depends on the old gcc language standard, and manually add
this flag on the configure command line. Time to put it where it
belongs, in configure.ac so I don't have to remember it again.
This commit is contained in:
Simon Tatham 2018-05-11 08:15:46 +01:00
parent 412dce1e8a
commit b72f0baed6
1 changed files with 4 additions and 1 deletions
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5
configure.ac
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@ -120,7 +120,10 @@ case "$gtk_version_desired:$gtk" in
# manual check for gtk1
AC_PATH_PROG(GTK1_CONFIG, gtk-config, absent)
if test "$GTK1_CONFIG" != "absent"; then
GTK_CFLAGS=`"$GTK1_CONFIG" --cflags`
# the gtk1 headers need -std=gnu89, which flips round the
# definitions of 'inline' and 'extern inline' to their old GNU
# semantics before C99 chose different ones
GTK_CFLAGS="`"$GTK1_CONFIG" --cflags` -std=gnu89"
GTK_LIBS=`"$GTK1_CONFIG" --libs`
gtk=1
fi