summaryrefslogtreecommitdiff
path: root/bfd/warning.m4
diff options
context:
space:
mode:
authorAndrew Paprocki <andrew@ishiboo.com>2019-01-09 13:51:08 +1030
committerAlan Modra <amodra@gmail.com>2019-01-09 13:51:08 +1030
commit3107326d3df950b0578a895bb835b2a8dfa8fab7 (patch)
tree9d6bbfcceea0af8f4044a755beea1cc0ac4a4d6d /bfd/warning.m4
parent923c6a756476f3a1f92d6625aacbbf5253b7739b (diff)
downloadbinutils-gdb-3107326d3df950b0578a895bb835b2a8dfa8fab7.tar.gz
Adjust bfd/warning.m4 egrep patterns
Adjust the `bfd/warning.m4` `egrep` patterns to handle preprocessors that do not define `__GNUC__`, leaving the string in the output. bfd/ * warning.m4: Adjust egrep pattern for non-GNU compilers. * configure: Regenerate. binutils/ * configure: Regenerate. gas/ * configure: Regenerate. gold/ * configure: Regenerate. gprof/ * configure: Regenerate. ld/ * configure: Regenerate. opcodes/ * configure: Regenerate.
Diffstat (limited to 'bfd/warning.m4')
-rw-r--r--bfd/warning.m410
1 files changed, 5 insertions, 5 deletions
diff --git a/bfd/warning.m4 b/bfd/warning.m4
index 50f400bdf97..8b0a3427bc7 100644
--- a/bfd/warning.m4
+++ b/bfd/warning.m4
@@ -47,22 +47,22 @@ GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
GCC_WARN_CFLAGS_FOR_BUILD="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
-AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow")
+AC_EGREP_CPP([(^[0-3]$|^__GNUC__$)],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow")
# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
-AC_EGREP_CPP([^[0-4]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144")
+AC_EGREP_CPP([(^[0-4]$|^__GNUC__$)],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144")
# Set WARN_WRITE_STRINGS if the compiler supports -Wwrite-strings.
WARN_WRITE_STRINGS=""
-AC_EGREP_CPP([^[0-3]$],[__GNUC__],,WARN_WRITE_STRINGS="-Wwrite-strings")
+AC_EGREP_CPP([(^[0-3]$|^__GNUC__$)],[__GNUC__],,WARN_WRITE_STRINGS="-Wwrite-strings")
# Verify CC_FOR_BUILD to be compatible with warning flags
# Add -Wshadow if the compiler is a sufficiently recent version of GCC.
-AC_EGREP_CPP_FOR_BUILD([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS_FOR_BUILD="$GCC_WARN_CFLAGS_FOR_BUILD -Wshadow")
+AC_EGREP_CPP_FOR_BUILD([(^[0-3]$|^__GNUC__$)],[__GNUC__],,GCC_WARN_CFLAGS_FOR_BUILD="$GCC_WARN_CFLAGS_FOR_BUILD -Wshadow")
# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC.
-AC_EGREP_CPP_FOR_BUILD([^[0-4]$],[__GNUC__],,GCC_WARN_CFLAGS_FOR_BUILD="$GCC_WARN_CFLAGS_FOR_BUILD -Wstack-usage=262144")
+AC_EGREP_CPP_FOR_BUILD([(^[0-4]$|^__GNUC__$)],[__GNUC__],,GCC_WARN_CFLAGS_FOR_BUILD="$GCC_WARN_CFLAGS_FOR_BUILD -Wstack-usage=262144")
AC_ARG_ENABLE(werror,
[ --enable-werror treat compile warnings as errors],