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authorDavid Young <dyoung@hdfgroup.org>2020-02-25 17:38:15 (GMT)
committerDavid Young <dyoung@hdfgroup.org>2020-02-25 17:38:15 (GMT)
commitd8e5995f6d158ddf835da1ee669240ca092bf4a7 (patch)
treeab3422b7d751bc70edb8719aaebd0516cf5a9dec /config
parentddb95a6dc51b38c82f6604facf464672882ef4d8 (diff)
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Break out warnings into more files that autoconf and CMake can share. This
change temporarily disables the warnings that were promoted to errors, but I will add those warnings back as warnings, not errors, in the next commit.
Diffstat (limited to 'config')
-rw-r--r--config/gnu-flags118
-rw-r--r--config/gnu-warnings-4.2-4.33
-rw-r--r--config/gnu-warnings-4.2-4.42
-rw-r--r--config/gnu-warnings-4.2-4.62
-rw-r--r--config/gnu-warnings-4.2-4.last3
-rw-r--r--config/gnu-warnings-4.32
-rw-r--r--config/gnu-warnings-4.43
-rw-r--r--config/gnu-warnings-4.51
-rw-r--r--config/gnu-warnings-4.5-4.63
-rw-r--r--config/gnu-warnings-4.62
-rw-r--r--config/gnu-warnings-4.75
-rw-r--r--config/gnu-warnings-4.81
-rw-r--r--config/gnu-warnings-4.91
-rw-r--r--config/gnu-warnings-52
-rw-r--r--config/gnu-warnings-69
-rw-r--r--config/gnu-warnings-77
-rw-r--r--config/gnu-warnings-83
-rw-r--r--config/gnu-warnings-92
-rw-r--r--config/gnu-warnings-developer-4.57
-rw-r--r--config/gnu-warnings-developer-4.61
-rw-r--r--config/gnu-warnings-developer-4.77
-rw-r--r--config/gnu-warnings-developer-4.81
-rw-r--r--config/gnu-warnings-developer-71
-rw-r--r--config/gnu-warnings-developer-83
-rw-r--r--config/gnu-warnings-developer-general5
-rw-r--r--config/gnu-warnings-general2
-rw-r--r--config/gnu-warnings-no-developer-4.51
-rw-r--r--config/gnu-warnings-no-developer-4.61
-rw-r--r--config/gnu-warnings-no-developer-4.72
-rw-r--r--config/gnu-warnings-no-developer-4.81
-rw-r--r--config/gnu-warnings-no-developer-82
-rw-r--r--config/gnu-werrors-512
-rw-r--r--config/gnu-werrors-89
-rw-r--r--config/gnu-werrors-general24
34 files changed, 177 insertions, 71 deletions
diff --git a/config/gnu-flags b/config/gnu-flags
index 3ca74c1..41d9058 100644
--- a/config/gnu-flags
+++ b/config/gnu-flags
@@ -171,35 +171,13 @@ if test "X-gcc" = "X-$cc_vendor"; then
# General #
###########
- # Note that some of the flags listed here really should be developer
- # flags (listed in a separate variable, below) but we put them here
- # because they are not raised by the current code and we'd like to
- # know if they do start showing up.
- #
- # NOTE: Don't add -Wpadded here since we can't/won't fix the (many)
- # warnings that are emitted. If you need it, add it from the
- # environment variable at configure time.
- #
- # NOTE: Disable the -Wformat-nonliteral from -Wformat=2 here and re-add
- # it to the developer flags.
- #
- # NOTE: Due to the divergence in the C and C++, we're dropping support for
- # compiling the C library with a C++ compiler and dropping the -Wc++-compat
- # warning.
H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-general)"
- H5_CFLAGS="$H5_CFLAGS -Wbad-function-cast -Wcast-align"
- H5_CFLAGS="$H5_CFLAGS -Wdeclaration-after-statement -Wdisabled-optimization"
- H5_CFLAGS="$H5_CFLAGS -Wmissing-declarations"
- H5_CFLAGS="$H5_CFLAGS -Wmissing-prototypes -Wnested-externs -Wold-style-definition -Wpacked"
- H5_CFLAGS="$H5_CFLAGS -Wredundant-decls -Wstrict-prototypes -Wswitch-enum -Wswitch-default"
- H5_CFLAGS="$H5_CFLAGS -Wunused-macros -Wunsafe-loop-optimizations"
+ H5_ECFLAGS="$H5_ECFLAGS $(load_gcc_arguments werrors-general)"
######################
# Developer warnings #
######################
- # (suggestions from gcc, not code problems)
- # NOTE: -Wformat-nonliteral added back in here (from being disabled in H5_CFLAGS)
NO_DEVELOPER_WARNING_CFLAGS=$(load_gcc_arguments warnings-no-developer-general)
DEVELOPER_WARNING_CFLAGS=$(load_gcc_arguments warnings-developer-general)
@@ -207,106 +185,106 @@ if test "X-gcc" = "X-$cc_vendor"; then
# gcc 4 special cases #
#######################
- # Disable warnings about using the 'long long' type w/ gcc 4.6 and earlier
+ # GCC 4.2 through 4.6
if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2 -o $cc_vers_major -eq 4 -a $cc_vers_minor -le 6; then
- H5_CFLAGS="$H5_CFLAGS -Wno-long-long"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.2-4.6)"
fi
- # -Wvolatile-register-var was later incorporated into -Wall and
- # only needs to be specified explicitly for gcc 4.2-4.3
+ # GCC 4.2 through 4.3
if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2 -o $cc_vers_major -eq 4 -a $cc_vers_minor -le 3; then
- H5_CFLAGS="$H5_CFLAGS -Wvolatile-register-var"
- fi
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.2-4.3)"
+ fi
- # -Wstrict-aliasing was later incorporated into -Wall and
- # only needs to be specified explicitly for gcc 4.5-4.6
+ # GCC 4.5 through 4.6
if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -le 6; then
- H5_CFLAGS="$H5_CFLAGS -Wstrict-aliasing"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.5-4.6)"
fi
- # The non-valued form of -Wstrict-overflow is used in gcc 4.2-4.4
+ # GCC 4.2 through 4.4
if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2 -a $cc_vers_major -eq 4 -a $cc_vers_minor -le 4; then
- H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.2-4.4)"
fi
- # -Wvla was later incorporated into -Wpedantic and
- # only needs to be specified explicitly for gcc 4
+ # GCC 4.2 through the end of GCC 4 series
if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2; then
- H5_CFLAGS="$H5_CFLAGS -Wvla"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.2-4.last)"
fi
#############################
# Version-specific warnings #
#############################
- # gcc 4.3
+ # gcc >= 4.3
if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 3; then
- H5_CFLAGS="$H5_CFLAGS -Wlogical-op -Wlarger-than=2560"
- fi
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.3)"
+ fi
- # gcc 4.4
+ # gcc >= 4.4
if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 4; then
- H5_CFLAGS="$H5_CFLAGS -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.4)"
fi
- # gcc 4.5
+ # gcc >= 4.5
if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 5; then
- H5_CFLAGS="$H5_CFLAGS -Wstrict-overflow=5 -Wjump-misses-init"
- DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wunsuffixed-float-constants"
- NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-unsuffixed-float-constants"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.5)"
+ DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-developer-4.5)"
+ NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-no-developer-4.5)"
fi
- # gcc 4.6
+ # gcc >= 4.6
if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 6; then
- H5_CFLAGS="$H5_CFLAGS -Wdouble-promotion -Wtrampolines"
- DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=const"
- NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=const"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.6)"
+ DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-developer-4.6)"
+ NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-no-developer-4.6)"
fi
- # gcc 4.7
+ # gcc >= 4.7
if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 7; then
- H5_CFLAGS="$H5_CFLAGS -Wstack-usage=8192 -Wvector-operation-performance"
- DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=pure -Wsuggest-attribute=noreturn"
- NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=pure -Wno-suggest-attribute=noreturn"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.7)"
+ DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-developer-4.7)"
+ NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-no-developer-4.7)"
fi
- # gcc 4.8
+ # gcc >= 4.8
if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 8; then
- DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wsuggest-attribute=format"
- NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=format"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.8)"
+ DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-developer-4.8)"
+ NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-no-developer-4.8)"
fi
- # gcc 4.9
+ # gcc >= 4.9
if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 9; then
- H5_CFLAGS="$H5_CFLAGS -Wdate-time"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-4.9)"
fi
- # gcc 5
+ # gcc >= 5
if test $cc_vers_major -ge 5; then
- H5_CFLAGS="$H5_CFLAGS -Warray-bounds=2 -Wc99-c11-compat"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-5)"
+ H5_ECFLAGS="$H5_ECFLAGS $(load_gcc_arguments werrors-5)"
fi
- # gcc 6
+ # gcc >= 6
if test $cc_vers_major -ge 6; then
- H5_CFLAGS="$H5_CFLAGS -Wnull-dereference -Wunused-const-variable -Wduplicated-cond -Whsa -Wnormalized"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-6)"
fi
- # gcc 7
+ # gcc >= 7
if test $cc_vers_major -ge 7; then
- DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wstringop-overflow=2"
- H5_CFLAGS="$H5_CFLAGS -Walloc-zero -Walloca -Wduplicated-branches -Wformat-overflow=2 -Wformat-truncation=1 -Wimplicit-fallthrough=5 -Wrestrict"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-7)"
+ DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-developer-7)"
fi
# gcc 8
if test $cc_vers_major -ge 8; then
- DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS -Wstringop-overflow=4 -Wsuggest-attribute=cold -Wsuggest-attribute=malloc"
- NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS -Wno-suggest-attribute=cold -Wno-suggest-attribute=malloc"
- H5_CFLAGS="$H5_CFLAGS -Wattribute-alias -Wcast-align=strict -Wshift-overflow=2"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-8)"
+ H5_ECFLAGS="$H5_ECFLAGS $(load_gcc_arguments werrors-8)"
+ DEVELOPER_WARNING_CFLAGS="$DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-developer-8)"
+ NO_DEVELOPER_WARNING_CFLAGS="$NO_DEVELOPER_WARNING_CFLAGS $(load_gcc_arguments warnings-no-developer-8)"
fi
# gcc 9
if test $cc_vers_major -ge 9; then
- H5_CFLAGS="$H5_CFLAGS -Wattribute-alias=2 -Wmissing-profile"
+ H5_CFLAGS="$H5_CFLAGS $(load_gcc_arguments warnings-9)"
fi
#################
diff --git a/config/gnu-warnings-4.2-4.3 b/config/gnu-warnings-4.2-4.3
new file mode 100644
index 0000000..1881797
--- /dev/null
+++ b/config/gnu-warnings-4.2-4.3
@@ -0,0 +1,3 @@
+# -Wvolatile-register-var was later incorporated into -Wall and
+# only needs to be specified explicitly for gcc 4.2-4.3
+-Wvolatile-register-var
diff --git a/config/gnu-warnings-4.2-4.4 b/config/gnu-warnings-4.2-4.4
new file mode 100644
index 0000000..ec4876f
--- /dev/null
+++ b/config/gnu-warnings-4.2-4.4
@@ -0,0 +1,2 @@
+# The non-valued form of -Wstrict-overflow is used in gcc 4.2-4.4
+-Wstrict-overflow
diff --git a/config/gnu-warnings-4.2-4.6 b/config/gnu-warnings-4.2-4.6
new file mode 100644
index 0000000..37df4ab
--- /dev/null
+++ b/config/gnu-warnings-4.2-4.6
@@ -0,0 +1,2 @@
+# Disable warnings about using the 'long long' type w/ gcc 4.6 and earlier
+-Wno-long-long
diff --git a/config/gnu-warnings-4.2-4.last b/config/gnu-warnings-4.2-4.last
new file mode 100644
index 0000000..2db90fb
--- /dev/null
+++ b/config/gnu-warnings-4.2-4.last
@@ -0,0 +1,3 @@
+# -Wvla was later incorporated into -Wpedantic and
+# only needs to be specified explicitly for gcc 4
+-Wvla
diff --git a/config/gnu-warnings-4.3 b/config/gnu-warnings-4.3
new file mode 100644
index 0000000..13d8558
--- /dev/null
+++ b/config/gnu-warnings-4.3
@@ -0,0 +1,2 @@
+-Wlarger-than=2560
+-Wlogical-op
diff --git a/config/gnu-warnings-4.4 b/config/gnu-warnings-4.4
new file mode 100644
index 0000000..42929b5
--- /dev/null
+++ b/config/gnu-warnings-4.4
@@ -0,0 +1,3 @@
+-Wframe-larger-than=16384
+-Wpacked-bitfield-compat
+-Wsync-nand
diff --git a/config/gnu-warnings-4.5 b/config/gnu-warnings-4.5
new file mode 100644
index 0000000..ddb96df
--- /dev/null
+++ b/config/gnu-warnings-4.5
@@ -0,0 +1 @@
+-Wstrict-overflow=5
diff --git a/config/gnu-warnings-4.5-4.6 b/config/gnu-warnings-4.5-4.6
new file mode 100644
index 0000000..d3035fe
--- /dev/null
+++ b/config/gnu-warnings-4.5-4.6
@@ -0,0 +1,3 @@
+# -Wstrict-aliasing was later incorporated into -Wall and
+# only needs to be specified explicitly for gcc 4.5-4.6
+-Wstrict-aliasing
diff --git a/config/gnu-warnings-4.6 b/config/gnu-warnings-4.6
new file mode 100644
index 0000000..140a20c
--- /dev/null
+++ b/config/gnu-warnings-4.6
@@ -0,0 +1,2 @@
+-Wdouble-promotion
+-Wtrampolines
diff --git a/config/gnu-warnings-4.7 b/config/gnu-warnings-4.7
new file mode 100644
index 0000000..c47fe4b
--- /dev/null
+++ b/config/gnu-warnings-4.7
@@ -0,0 +1,5 @@
+#
+# -Wstack-usage=8192 warnings need to be swept up on a branch so
+# that we can stop burdening the whole development team.
+#
+-Wstack-usage=8192
diff --git a/config/gnu-warnings-4.8 b/config/gnu-warnings-4.8
new file mode 100644
index 0000000..5dc577f
--- /dev/null
+++ b/config/gnu-warnings-4.8
@@ -0,0 +1 @@
+-Wmaybe-uninitialized
diff --git a/config/gnu-warnings-4.9 b/config/gnu-warnings-4.9
new file mode 100644
index 0000000..78aa929
--- /dev/null
+++ b/config/gnu-warnings-4.9
@@ -0,0 +1 @@
+-Wdate-time
diff --git a/config/gnu-warnings-5 b/config/gnu-warnings-5
new file mode 100644
index 0000000..32cb196
--- /dev/null
+++ b/config/gnu-warnings-5
@@ -0,0 +1,2 @@
+-Warray-bounds=2
+-Wc99-c11-compat
diff --git a/config/gnu-warnings-6 b/config/gnu-warnings-6
new file mode 100644
index 0000000..736a446
--- /dev/null
+++ b/config/gnu-warnings-6
@@ -0,0 +1,9 @@
+#
+# Careful! -Wduplicated-cond, combined with HDF5's heavy use of
+# macros, can make a lot of noise.
+#
+-Wduplicated-cond
+-Whsa
+-Wnormalized
+-Wnull-dereference
+-Wunused-const-variable
diff --git a/config/gnu-warnings-7 b/config/gnu-warnings-7
new file mode 100644
index 0000000..266f5c1
--- /dev/null
+++ b/config/gnu-warnings-7
@@ -0,0 +1,7 @@
+-Walloca
+-Walloc-zero
+-Wduplicated-branches
+-Wformat-overflow=2
+-Wformat-truncation=1
+-Wimplicit-fallthrough=5
+-Wrestrict
diff --git a/config/gnu-warnings-8 b/config/gnu-warnings-8
new file mode 100644
index 0000000..5e7519d
--- /dev/null
+++ b/config/gnu-warnings-8
@@ -0,0 +1,3 @@
+-Wattribute-alias
+-Wcast-align=strict
+-Wshift-overflow=2
diff --git a/config/gnu-warnings-9 b/config/gnu-warnings-9
new file mode 100644
index 0000000..c084350
--- /dev/null
+++ b/config/gnu-warnings-9
@@ -0,0 +1,2 @@
+-Wattribute-alias=2
+-Wmissing-profile
diff --git a/config/gnu-warnings-developer-4.5 b/config/gnu-warnings-developer-4.5
new file mode 100644
index 0000000..48df846
--- /dev/null
+++ b/config/gnu-warnings-developer-4.5
@@ -0,0 +1,7 @@
+#
+# -Wjump-misses-init makes lots of noise for a questionable benefit.
+# Can jumping over an initialization in C cause any harm, if
+# the variable is never *used* before it has been initialized?
+#
+-Wjump-misses-init
+-Wunsuffixed-float-constants
diff --git a/config/gnu-warnings-developer-4.6 b/config/gnu-warnings-developer-4.6
new file mode 100644
index 0000000..2372fbf
--- /dev/null
+++ b/config/gnu-warnings-developer-4.6
@@ -0,0 +1 @@
+-Wsuggest-attribute=const
diff --git a/config/gnu-warnings-developer-4.7 b/config/gnu-warnings-developer-4.7
new file mode 100644
index 0000000..a3b0781
--- /dev/null
+++ b/config/gnu-warnings-developer-4.7
@@ -0,0 +1,7 @@
+-Wsuggest-attribute=noreturn
+-Wsuggest-attribute=pure
+#
+# It's not clear that -Wvector-operation-performance warnings are
+# actionable, so they are demoted to "developer" warnings.
+#
+-Wvector-operation-performance
diff --git a/config/gnu-warnings-developer-4.8 b/config/gnu-warnings-developer-4.8
new file mode 100644
index 0000000..b0109e2
--- /dev/null
+++ b/config/gnu-warnings-developer-4.8
@@ -0,0 +1 @@
+-Wsuggest-attribute=format
diff --git a/config/gnu-warnings-developer-7 b/config/gnu-warnings-developer-7
new file mode 100644
index 0000000..2a3ce7e
--- /dev/null
+++ b/config/gnu-warnings-developer-7
@@ -0,0 +1 @@
+-Wstringop-overflow=2
diff --git a/config/gnu-warnings-developer-8 b/config/gnu-warnings-developer-8
new file mode 100644
index 0000000..a2ba7ca
--- /dev/null
+++ b/config/gnu-warnings-developer-8
@@ -0,0 +1,3 @@
+-Wstringop-overflow=4
+-Wsuggest-attribute=cold
+-Wsuggest-attribute=malloc
diff --git a/config/gnu-warnings-developer-general b/config/gnu-warnings-developer-general
index 698f0e0..b34c4b7 100644
--- a/config/gnu-warnings-developer-general
+++ b/config/gnu-warnings-developer-general
@@ -2,7 +2,12 @@
# NOTE: -Wformat-nonliteral added back in here (from being disabled in
# H5_CFLAGS)
-Waggregate-return
+-Wdisabled-optimization
-Wformat-nonliteral
-Winline
-Wmissing-format-attribute
-Wmissing-noreturn
+-Wswitch-default
+-Wswitch-enum
+-Wunsafe-loop-optimizations
+-Wunused-macros
diff --git a/config/gnu-warnings-general b/config/gnu-warnings-general
index 9e67b71..a7a20b7 100644
--- a/config/gnu-warnings-general
+++ b/config/gnu-warnings-general
@@ -29,4 +29,4 @@
-Wshadow
-Wundef
-Wwrite-strings
--pedantic \ No newline at end of file
+-pedantic
diff --git a/config/gnu-warnings-no-developer-4.5 b/config/gnu-warnings-no-developer-4.5
new file mode 100644
index 0000000..ef7d38f
--- /dev/null
+++ b/config/gnu-warnings-no-developer-4.5
@@ -0,0 +1 @@
+-Wno-unsuffixed-float-constants
diff --git a/config/gnu-warnings-no-developer-4.6 b/config/gnu-warnings-no-developer-4.6
new file mode 100644
index 0000000..ea9cc66
--- /dev/null
+++ b/config/gnu-warnings-no-developer-4.6
@@ -0,0 +1 @@
+-Wno-suggest-attribute=const
diff --git a/config/gnu-warnings-no-developer-4.7 b/config/gnu-warnings-no-developer-4.7
new file mode 100644
index 0000000..5b85e1f
--- /dev/null
+++ b/config/gnu-warnings-no-developer-4.7
@@ -0,0 +1,2 @@
+-Wno-suggest-attribute=noreturn
+-Wno-suggest-attribute=pure
diff --git a/config/gnu-warnings-no-developer-4.8 b/config/gnu-warnings-no-developer-4.8
new file mode 100644
index 0000000..e42e09f
--- /dev/null
+++ b/config/gnu-warnings-no-developer-4.8
@@ -0,0 +1 @@
+-Wno-suggest-attribute=format
diff --git a/config/gnu-warnings-no-developer-8 b/config/gnu-warnings-no-developer-8
new file mode 100644
index 0000000..2134bad
--- /dev/null
+++ b/config/gnu-warnings-no-developer-8
@@ -0,0 +1,2 @@
+-Wno-suggest-attribute=cold
+-Wno-suggest-attribute=malloc
diff --git a/config/gnu-werrors-5 b/config/gnu-werrors-5
new file mode 100644
index 0000000..f7e1138
--- /dev/null
+++ b/config/gnu-werrors-5
@@ -0,0 +1,12 @@
+-Werror=incompatible-pointer-types
+#
+# In GCC 4.4.7, the compiler gripes about shadowed global
+# declarations when a local variable uses the name of a
+# function that's in a system header file. For some reason,
+# later versions of GCC (e.g., 5.2.0) don't complain about
+# the shadowed globals. Maybe later versions are less fussy?
+# Anyway, the shadowing seems to be harmless, and GCC 4.4.7
+# is not a supported compiler, so let us promote shadowed globals
+# warnings to errors only for GCC 5 and later.
+#
+-Werror=shadow
diff --git a/config/gnu-werrors-8 b/config/gnu-werrors-8
new file mode 100644
index 0000000..36c1414
--- /dev/null
+++ b/config/gnu-werrors-8
@@ -0,0 +1,9 @@
+-Werror=cast-function-type
+#
+# For GCC 8, promote maybe-initialized warnings to an error. GCC 8
+# reports 0 maybe-uninitialized warnings where earlier versions
+# make many false reports. GCC 8 seems to analyze calls to static
+# in order to detect initializations that occur there. It's possible
+# that GCC 8 only performs that analysis at -O3, though.
+#
+-Werror=maybe-uninitialized
diff --git a/config/gnu-werrors-general b/config/gnu-werrors-general
new file mode 100644
index 0000000..d0e272a
--- /dev/null
+++ b/config/gnu-werrors-general
@@ -0,0 +1,24 @@
+#
+# HDF5 code should not trigger the following warnings under any
+# circumstances, so ask the compiler to treat them as errors:
+#
+-Werror=bad-function-cast
+-Werror=cast-align
+-Werror=declaration-after-statement
+-Werror=format
+-Werror=implicit-function-declaration
+-Werror=missing-declarations
+-Werror=missing-prototypes
+-Werror=nested-externs
+-Werror=old-style-definition
+-Werror=packed
+-Werror=pointer-sign
+-Werror=pointer-to-int-cast
+-Werror=redundant-decls
+-Werror=strict-prototypes
+-Werror=switch
+-Werror=unused-but-set-variable
+-Werror=unused-function
+-Werror=unused-parameter
+-Werror=unused-variable
+#-Werror=discarded-qualifiers