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| author | Schanzenbach, Martin <mschanzenbach@posteo.de> | 2019-09-09 14:43:29 +0200 |
|---|---|---|
| committer | Schanzenbach, Martin <mschanzenbach@posteo.de> | 2019-09-09 14:43:29 +0200 |
| commit | 194b0d56887f434bae843a66639b055632244812 (patch) | |
| tree | 5e808bd8c0e9f4b511e9f20b652eda48d2943e4c /configure.ac | |
| parent | 3573b84aa7df1483ac09f90c509eddd0a658a25e (diff) | |
| download | gnunet-194b0d56887f434bae843a66639b055632244812.tar.gz gnunet-194b0d56887f434bae843a66639b055632244812.zip | |
gcc does strange things with -Wno-*
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/configure.ac b/configure.ac index e0c003ed6..ee85f474e 100644 --- a/configure.ac +++ b/configure.ac | |||
| @@ -85,18 +85,18 @@ AC_DEFUN([CC_CHECK_CFLAGS_SILENT], [ | |||
| 85 | # CC_CHECK_CFLAG_APPEND(FLAG, [action-if-found], [action-if-not-found]) | 85 | # CC_CHECK_CFLAG_APPEND(FLAG, [action-if-found], [action-if-not-found]) |
| 86 | # Check for CFLAG and appends them to CFLAGS if supported | 86 | # Check for CFLAG and appends them to CFLAGS if supported |
| 87 | AC_DEFUN([CC_CHECK_CFLAG_APPEND], [ | 87 | AC_DEFUN([CC_CHECK_CFLAG_APPEND], [ |
| 88 | AC_CACHE_CHECK([if $CC supports $1 flag], | 88 | AC_CACHE_CHECK([if $CC supports -Wno-$1 flag], |
| 89 | AS_TR_SH([cc_cv_cflags_$1]), | 89 | AS_TR_SH([cc_cv_cflags_$1]), |
| 90 | CC_CHECK_CFLAGS_SILENT([$1]) | 90 | CC_CHECK_CFLAGS_SILENT([-W$1]) #gcc is stupid. It does not fail with the -W-no option for backwards compat but then shows the error "in case something goes wrong". |
| 91 | ) | 91 | ) |
| 92 | 92 | ||
| 93 | AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes], | 93 | AS_IF([eval test x$]AS_TR_SH([cc_cv_cflags_$1])[ = xyes], |
| 94 | [CFLAGS="$CFLAGS $1"; $2], [$3]) | 94 | [CFLAGS="$CFLAGS -Wno-$1"; $2], [$3]) |
| 95 | ]) | 95 | ]) |
| 96 | 96 | ||
| 97 | 97 | ||
| 98 | # We make heavy use of this, llvm/gcc and gcc-9 give warnings so disable. | 98 | # We make heavy use of this, llvm/gcc and gcc-9 give warnings so disable. |
| 99 | CC_CHECK_CFLAG_APPEND([-Wno-address-of-packed-member]) | 99 | CC_CHECK_CFLAG_APPEND([address-of-packed-member]) |
| 100 | 100 | ||
| 101 | # Use Linux interface name unless the OS has a different preference | 101 | # Use Linux interface name unless the OS has a different preference |
| 102 | DEFAULT_INTERFACE="\"eth0\"" | 102 | DEFAULT_INTERFACE="\"eth0\"" |