aboutsummaryrefslogtreecommitdiff
path: root/configure.ac
diff options
context:
space:
mode:
authorSchanzenbach, Martin <mschanzenbach@posteo.de>2019-08-01 10:12:09 +0200
committerSchanzenbach, Martin <mschanzenbach@posteo.de>2019-08-01 10:12:09 +0200
commitb97b12fabb292eab6c31585046fbdec374ab68ad (patch)
treee780c31bccb2b88021e0513be3631727487519b2 /configure.ac
parent37a32e37e76172599461b264c7e545b2c56ebf3c (diff)
downloadgnunet-b97b12fabb292eab6c31585046fbdec374ab68ad.tar.gz
gnunet-b97b12fabb292eab6c31585046fbdec374ab68ad.zip
fix #5816
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac19
1 files changed, 19 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 356f6d0d2..d4636941f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -66,6 +66,25 @@ CFLAGS="-Wall $CFLAGS"
66AS_IF([gcc -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1], 66AS_IF([gcc -fno-strict-aliasing -S -o /dev/null -xc /dev/null >/dev/null 2>&1],
67 [CFLAGS="-fno-strict-aliasing $CFLAGS"]) 67 [CFLAGS="-fno-strict-aliasing $CFLAGS"])
68 68
69# A helper which allows us to check cflags if compiler
70AC_DEFUN([CC_CHECK_CFLAGS_SILENT], [
71 AC_CACHE_VAL(AS_TR_SH([cc_cv_cflags_$1]),
72 [ac_save_CFLAGS="$CFLAGS"
73 CFLAGS="$CFLAGS $1"
74 AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
75 [eval "AS_TR_SH([cc_cv_cflags_$1])='yes'"],
76 [eval "AS_TR_SH([cc_cv_cflags_$1])='no'"])
77 CFLAGS="$ac_save_CFLAGS"
78 ])
79
80 AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes],
81 [$2], [$3])
82])
83
84# We make heavy use of this, llvm/gcc and gcc-9 give warnings so disable.
85CC_CHECK_CFLAGS_SILENT([-Wno-address-of-packed-member],
86 [CFLAGS="-Wno-address-of-packed-member $CFLAGS"])
87
69# Use Linux interface name unless the OS has a different preference 88# Use Linux interface name unless the OS has a different preference
70DEFAULT_INTERFACE="\"eth0\"" 89DEFAULT_INTERFACE="\"eth0\""
71 90