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authorSean <sean@rogue-research.com>2021-02-15 21:32:08 (GMT)
committerGitHub <noreply@github.com>2021-02-15 21:32:08 (GMT)
commit2359a9b020761efd83b8a493b12f40b8a9696000 (patch)
tree9c44fd3edac28dd870f670f5817af9acf4066fee /bin
parent5c1ddd2d49edd8fa278380971cf22e0d3c6a0d78 (diff)
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Fix clang unknown pragma warnings (#337)
Although clang defines __GNUC__ and supports most gcc warnings, it doesn't support all, and will in fact even warn about an unknown pragma. Guard appropriately.
Diffstat (limited to 'bin')
-rwxr-xr-xbin/genparser7
1 files changed, 6 insertions, 1 deletions
diff --git a/bin/genparser b/bin/genparser
index ab40775..183b3c9 100755
--- a/bin/genparser
+++ b/bin/genparser
@@ -219,13 +219,15 @@ perl -0777 -pi -e 's/int H5LTyyparse/hid_t H5LTyyparse/igs' ${path_to_hl_src}/H5
#
# Note that the GCC pragmas did not exist until gcc 4.2. Earlier versions
# will simply ignore them, but we want to avoid those warnings.
+#
+# Note also that although clang defines __GNUC__, it doesn't support every
+# warning that GCC does.
for f in ${path_to_hl_src}/H5LTparse.c ${path_to_hl_src}/H5LTanalyze.c
do
echo '#if defined (__GNUC__) ' >> tmp.out
echo '#if ((__GNUC__ * 100) + __GNUC_MINOR__) >= 402 ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wconversion" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wimplicit-function-declaration" ' >> tmp.out
- echo '#pragma GCC diagnostic ignored "-Wlarger-than=" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wmissing-prototypes" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wnested-externs" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wold-style-definition" ' >> tmp.out
@@ -234,8 +236,11 @@ do
echo '#pragma GCC diagnostic ignored "-Wsign-conversion" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wstrict-overflow" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wstrict-prototypes" ' >> tmp.out
+ echo '#if !defined (__clang__) ' >> tmp.out
+ echo '#pragma GCC diagnostic ignored "-Wlarger-than=" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wsuggest-attribute=const" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wsuggest-attribute=pure" ' >> tmp.out
+ echo '#endif ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wswitch-default" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wunused-function" ' >> tmp.out
echo '#pragma GCC diagnostic ignored "-Wunused-macros" ' >> tmp.out