summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--MANIFEST4
-rw-r--r--config/clang-warnings/developer-general3
-rw-r--r--config/clang-warnings/error-general79
-rw-r--r--config/clang-warnings/general26
-rw-r--r--config/clang-warnings/no-developer-general1
-rw-r--r--config/cmake/HDFCompilerFlags.cmake14
-rw-r--r--config/cmake/libhdf5.settings.cmake.in4
-rw-r--r--config/cmake_ext_mod/ConfigureChecks.cmake4
-rw-r--r--release_docs/RELEASE.txt2
9 files changed, 130 insertions, 7 deletions
diff --git a/MANIFEST b/MANIFEST
index 04fbfdd..7078128 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -143,6 +143,10 @@
./config/solaris
#warnings files for both autotools and CMake
+./config/clang-warnings/developer-general
+./config/clang-warnings/error-general
+./config/clang-warnings/general
+./config/clang-warnings/no-developer-general
./config/gnu-warnings/4.2-4.3
./config/gnu-warnings/4.2-4.4
./config/gnu-warnings/4.2-4.6
diff --git a/config/clang-warnings/developer-general b/config/clang-warnings/developer-general
new file mode 100644
index 0000000..aa8c32e
--- /dev/null
+++ b/config/clang-warnings/developer-general
@@ -0,0 +1,3 @@
+-Wformat-nonliteral
+-Wmissing-noreturn
+-Wswitch-enum
diff --git a/config/clang-warnings/error-general b/config/clang-warnings/error-general
new file mode 100644
index 0000000..a9aa516
--- /dev/null
+++ b/config/clang-warnings/error-general
@@ -0,0 +1,79 @@
+#
+# 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=implicit-function-declaration
+-Werror=incompatible-pointer-types
+-Werror=missing-declarations
+-Werror=packed
+-Werror=shadow
+-Werror=sometimes-uninitialized
+-Werror=switch
+#
+#-Werror=discarded-qualifiers
+#
+#
+# NOTE: File Driver files are not compatible with these warnings as errors
+# H5FDdirect.c,H5FDmpio.c,H5FDros3.c,
+# -Werror=unused-function
+#
+-Wunused-function
+#
+# H5FDdrvr_module.h
+# -Werror=unused-variable
+#
+-Wunused-variable
+#
+# H5VLpassthru.c
+# -Werror=unused-parameter
+#
+-Wunused-parameter
+#
+#
+#
+# NOTE: Tools files are not compatible with these warnings as errors
+# lib/h5tools.c
+# -Werror=cast-align
+#
+-Wcast-align
+#
+# lib/h5tools_utils.c
+# -Werror=unused-parameter
+#
+#
+# NOTE: JNI files are not compatible with these warnings as errors
+# jni/h5pDCPLImp.c,jni/nativeData.c,jni/h5util.c,jni/h5rImp.c
+# jni/h5sImp.c,jni/h5tImp.c
+# -Werror=cast-align
+# jni/h5util.c
+# -Werror=format(-overflow)
+#
+-Wformat
+#
+#
+#Examples and tests do not use the same set of extensive warning flags as libraries
+# Here is a list of tests and examples that have issues with the stricter warnings as error
+#
+# NOTE: Test files are not compatible with these warnings as errors
+# thread_id.c,
+# -Werror=unused-function
+# dsets.c
+# -Werror=unused-parameter
+#
+#
+# NOTE: Examples files are not compatible with these warnings as errors
+# h5_vds-eiger.c,h5_vds-exclim.c,h5_vds.c,h5_vds-exc.c,h5_vds-percival-unlim-maxmin.c
+# h5_vds-percival.c,h5_read.c,h5_rdwt.c,h5_mount.c,h5_extend.c,h5_extend_write.c
+# h5_write.c,h5_vds-simpleIO.c,h5_ref2reg_deprec.c,h5_crtgrp.c,h5_select.c
+# h5_vds-percival-unlim.c,h5_crtatt.c,h5_group.c,h5_attribute.c,h5_crtdat.c
+# h5_reference_deprec.c
+# h5_rdwt.c,h5_crtgrp.c,h5_crtatt.c,h5_crtdat.c
+# -Werror=strict-prototypes
+# h5_rdwt.c,h5_crtgrp.c,h5_crtatt.c,h5_crtdat.c
+# -Werror=old-style-definition
+# h5_vds-exclim.c,h5_vds.c,h5_vds-exc.c,
+# -Werror=unused-variable
+# h5_elink_unix2win.c,h5_extlink.c,h5_attribute.c
+# -Werror=unused-parameter
+
diff --git a/config/clang-warnings/general b/config/clang-warnings/general
new file mode 100644
index 0000000..f0c9b93
--- /dev/null
+++ b/config/clang-warnings/general
@@ -0,0 +1,26 @@
+# general clang warnings flags
+-Wall
+-Warray-bounds
+-Wcast-qual
+-Wconversion
+-Wdouble-promotion
+-Wextra
+-Wformat=2
+-Wframe-larger-than=16384
+-Wimplicit-fallthrough
+#
+# 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.
+#
+-Wno-c++-compat
+#
+# NOTE: Disable the -Wformat-nonliteral from -Wformat=2 here and re-add
+# it to the developer flags.
+#
+-Wno-format-nonliteral
+-Wnull-dereference
+-Wunused-const-variable
+-Wwrite-strings
+-Wpedantic
+-Wvolatile-register-var
diff --git a/config/clang-warnings/no-developer-general b/config/clang-warnings/no-developer-general
new file mode 100644
index 0000000..2f4e0c5
--- /dev/null
+++ b/config/clang-warnings/no-developer-general
@@ -0,0 +1 @@
+-Wmissing-noreturn
diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake
index 5faffc2..03c6936 100644
--- a/config/cmake/HDFCompilerFlags.cmake
+++ b/config/cmake/HDFCompilerFlags.cmake
@@ -105,7 +105,7 @@ endif ()
# CDash is configured to only allow 3000 warnings, so
# break into groups (from the config/gnu-flags file)
#-----------------------------------------------------------------------------
-if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC)
+if (NOT MSVC)
if (${CMAKE_SYSTEM_NAME} MATCHES "SunOS")
list (APPEND HDF5_CMAKE_C_FLAGS "-erroff=%none -DBSD_COMP")
else ()
@@ -137,6 +137,12 @@ if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC)
# gcc automatically inlines based on the optimization level
# this is just a failsafe
list (APPEND H5_CFLAGS0 "-finline-functions")
+ elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+ ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/clang-warnings/general")
+ message (STATUS "CMAKE_C_FLAGS_GENERAL=${HDF5_CMAKE_C_FLAGS}")
+ ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/error-general")
+ elseif (CMAKE_C_COMPILER_ID STREQUAL "PGI")
+ list (APPEND HDF5_CMAKE_C_FLAGS "-Minform=inform")
endif ()
endif ()
@@ -151,10 +157,14 @@ if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC)
list (APPEND H5_CFLAGS0 "-Winline -Wreorder -Wport -Wstrict-aliasing")
elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU")
ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/developer-general")
+ elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+ ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/developer-general")
endif ()
else ()
if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/no-developer-general")
+ elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
+ ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/clang-warnings/no-developer-general")
endif ()
endif ()
@@ -265,8 +275,6 @@ if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC)
if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 9.0)
ADD_H5_FLAGS (H5_CFLAGS4 "${HDF5_SOURCE_DIR}/config/gnu-warnings/9")
endif ()
-elseif (CMAKE_C_COMPILER_ID STREQUAL "PGI")
- list (APPEND HDF5_CMAKE_C_FLAGS "-Minform=inform")
endif ()
#-----------------------------------------------------------------------------
diff --git a/config/cmake/libhdf5.settings.cmake.in b/config/cmake/libhdf5.settings.cmake.in
index 8397d68..292eaca 100644
--- a/config/cmake/libhdf5.settings.cmake.in
+++ b/config/cmake/libhdf5.settings.cmake.in
@@ -38,7 +38,7 @@ Languages:
H5_CPPFLAGS: @H5_CPPFLAGS@
AM_CPPFLAGS: @AM_CPPFLAGS@
CFLAGS: @CMAKE_C_FLAGS@
- H5_CFLAGS: @H5_CFLAGS@
+ H5_CFLAGS: @HDF5_CMAKE_C_FLAGS@
AM_CFLAGS: @AM_CFLAGS@
Shared C Library: @H5_ENABLE_SHARED_LIB@
Static C Library: @H5_ENABLE_STATIC_LIB@
@@ -54,7 +54,7 @@ Languages:
C++: @HDF5_BUILD_CPP_LIB@
@BUILD_CXX_CONDITIONAL_TRUE@ C++ Compiler: @CMAKE_CXX_COMPILER@ @CMAKE_CXX_COMPILER_VERSION@
@BUILD_CXX_CONDITIONAL_TRUE@ C++ Flags: @CMAKE_CXX_FLAGS@
-@BUILD_CXX_CONDITIONAL_TRUE@ H5 C++ Flags: @H5_CXXFLAGS@
+@BUILD_CXX_CONDITIONAL_TRUE@ H5 C++ Flags: @HDF5_CMAKE_CXX_FLAGS@
@BUILD_CXX_CONDITIONAL_TRUE@ AM C++ Flags: @AM_CXXFLAGS@
@BUILD_CXX_CONDITIONAL_TRUE@ Shared C++ Library: @H5_ENABLE_SHARED_LIB@
@BUILD_CXX_CONDITIONAL_TRUE@ Static C++ Library: @H5_ENABLE_STATIC_LIB@
diff --git a/config/cmake_ext_mod/ConfigureChecks.cmake b/config/cmake_ext_mod/ConfigureChecks.cmake
index 33d4d6e..93b977e 100644
--- a/config/cmake_ext_mod/ConfigureChecks.cmake
+++ b/config/cmake_ext_mod/ConfigureChecks.cmake
@@ -274,11 +274,11 @@ if (MINGW OR NOT WINDOWS)
# systems.
# POSIX feature information can be found in the gcc manual at:
# http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
- set (HDF_EXTRA_C_FLAGS -D_POSIX_C_SOURCE=200112L)
+ set (HDF_EXTRA_C_FLAGS -D_POSIX_C_SOURCE=200809L)
# Need to add this so that O_DIRECT is visible for the direct
# VFD on Linux systems.
- set (HDF_EXTRA_C_FLAGS -D_GNU_SOURCE)
+ set (HDF_EXTRA_C_FLAGS ${HDF_EXTRA_C_FLAGS} -D_GNU_SOURCE)
option (HDF_ENABLE_LARGE_FILE "Enable support for large (64-bit) files on Linux." ON)
if (HDF_ENABLE_LARGE_FILE AND NOT DEFINED TEST_LFS_WORKS_RUN)
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt
index 5451e85..ff1d99b 100644
--- a/release_docs/RELEASE.txt
+++ b/release_docs/RELEASE.txt
@@ -60,6 +60,8 @@ New Features
GNU C warnings flags were moved to files in a config sub-folder
named gnu-warnings. Flags that only are available for a specific
version of the compiler are in files named with that version.
+ Clang C warnings flags were moved to files in a config sub-folder
+ named clang-warnings.
There are flags in named "error-xxx" files with warnings that may
be promoted to errors. Some source files may still need fixes.
generated by cgit v0.12 at 2024-12-29 04:27:24 (GMT)