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author | Larry Knox <lrknox@hdfgroup.org> | 2020-04-20 21:03:08 (GMT) |
---|---|---|
committer | Larry Knox <lrknox@hdfgroup.org> | 2020-04-21 00:36:40 (GMT) |
commit | 1862abdd0512d4f2505b3807fedd20f6ccedb31f (patch) | |
tree | 252e33a442cc755a1d1c719f1e62044d741f6794 | |
parent | 6524e17885b939554beb63d7b9df10259ef4d1e5 (diff) | |
download | hdf5-1862abdd0512d4f2505b3807fedd20f6ccedb31f.zip hdf5-1862abdd0512d4f2505b3807fedd20f6ccedb31f.tar.gz hdf5-1862abdd0512d4f2505b3807fedd20f6ccedb31f.tar.bz2 |
Don't add general warnings flags for unsupported old versions of gcc and
g++ (older than gcc/g++ 4.2).
Correct gnu-cxxflags to determine warnings flags to be added based on
C++ compiler version instead of C compiler version.
-rw-r--r-- | config/cmake/HDFCXXCompilerFlags.cmake | 19 | ||||
-rw-r--r-- | config/cmake/HDFCompilerFlags.cmake | 19 | ||||
-rw-r--r-- | config/gnu-cxxflags | 50 | ||||
-rw-r--r-- | config/gnu-flags | 6 |
4 files changed, 53 insertions, 41 deletions
diff --git a/config/cmake/HDFCXXCompilerFlags.cmake b/config/cmake/HDFCXXCompilerFlags.cmake index 6aa8784..721fca4 100644 --- a/config/cmake/HDFCXXCompilerFlags.cmake +++ b/config/cmake/HDFCXXCompilerFlags.cmake @@ -103,8 +103,10 @@ if (NOT MSVC) list (APPEND H5_CXXFLAGS0 "-Wsign-compare -Wtrigraphs -Wwrite-strings") endif() elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") - if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED) - # autotools always add the C flags with the CXX flags + if (CMAKE_COMPILER_IS_GNUCXX AND CMAKE_CXX_COMPILER_LOADED + AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.2) + # autotools always add the C flags with the CXX flags, except for + # with older versions that are no longer supported ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/general") ADD_H5_FLAGS (HDF5_CMAKE_CXX_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/cxx-general") endif () @@ -141,16 +143,17 @@ if (NOT MSVC) endif () if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU") - # Append warning flags that only gcc 4.3+ knows about - # autotools always add the C flags with the CXX flags - ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.3") - # # Technically, variable-length arrays are part of the C99 standard, but # we should approach them a bit cautiously... Only needed for gcc 4.X - if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0) + if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0 AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.2) # autotools always add the C flags with the CXX flags ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.2-4.last") endif () + # Append warning flags that only gcc 4.3+ knows about + # autotools always add the C flags with the CXX flags + if (CMAKE_C_COMPILER_VERSION VERSION_LESS 4.3 AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.2) + ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.3") + endif() # Append more extra warning flags that only gcc 4.4+ know about if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.4) @@ -172,7 +175,7 @@ if (NOT MSVC) endif () # Append more extra warning flags that only gcc 4.6 and less know about - if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7) + if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7 AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.2) # autotools always add the C flags with the CXX flags ADD_H5_FLAGS (H5_CXXFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.2-4.6") endif () diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake index 72141c0..a40b525 100644 --- a/config/cmake/HDFCompilerFlags.cmake +++ b/config/cmake/HDFCompilerFlags.cmake @@ -111,8 +111,11 @@ if (NOT MSVC) list (APPEND H5_CFLAGS0 "-Wsign-compare -Wtrigraphs -Wwrite-strings") endif() elseif (CMAKE_C_COMPILER_ID STREQUAL "GNU") - ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/general") - ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-general") + # Add general CFlags except for older versions that are no longer supported + if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.2) + ADD_H5_FLAGS (HDF5_CMAKE_C_FLAGS "${HDF5_SOURCE_DIR}/config/gnu-warnings/general") + ADD_H5_FLAGS (H5_CFLAGS0 "${HDF5_SOURCE_DIR}/config/gnu-warnings/error-general") + endif () # gcc automatically inlines based on the optimization level # this is just a failsafe list (APPEND H5_CFLAGS0 "-finline-functions") @@ -149,14 +152,16 @@ if (NOT MSVC) if (CMAKE_C_COMPILER_ID STREQUAL "GNU") - # Append warning flags that only gcc 4.3+ knows about - ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.3") - # # Technically, variable-length arrays are part of the C99 standard, but # we should approach them a bit cautiously... Only needed for gcc 4.X - if (CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0) + if (CMAKE_C_COMPILER_VERSION VERSION_LESS 5.0 AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.2) ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.2-4.last") endif () + # Append warning flags that only gcc 4.3+ knows about + if (CMAKE_C_COMPILER_VERSION VERSION_LESS 4.3 AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.2) + ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.3") + endif () + # Append more extra warning flags that only gcc 4.4+ know about if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4) @@ -174,7 +179,7 @@ if (NOT MSVC) endif () # Append more extra warning flags that only gcc 4.6 and less know about - if (CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7) + if (CMAKE_C_COMPILER_VERSION VERSION_LESS 4.7 AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.2) ADD_H5_FLAGS (H5_CFLAGS1 "${HDF5_SOURCE_DIR}/config/gnu-warnings/4.2-4.6") endif () diff --git a/config/gnu-cxxflags b/config/gnu-cxxflags index e177aef..b3b082d 100644 --- a/config/gnu-cxxflags +++ b/config/gnu-cxxflags @@ -79,9 +79,9 @@ if test "X-" = "X-$cxx_flags_set"; then cxx_vers_major=`echo $cxx_version | cut -f1 -d.` cxx_vers_minor=`echo $cxx_version | cut -f2 -d.` cxx_vers_patch=`echo $cxx_version | cut -f3 -d.` - test -n "$cc_vers_major" || cxx_vers_major=0 - test -n "$cc_vers_minor" || cxx_vers_minor=0 - test -n "$cc_vers_patch" || cxx_vers_patch=0 + test -n "$cxx_vers_major" || cxx_vers_major=0 + test -n "$cxx_vers_minor" || cxx_vers_minor=0 + test -n "$cxx_vers_patch" || cxx_vers_patch=0 cxx_vers_all=`expr $cxx_vers_major '*' 1000000 + $cxx_vers_minor '*' 1000 + $cxx_vers_patch` fi @@ -180,10 +180,12 @@ if test "X-g++" = "X-$cxx_vendor"; then # General # ########### - H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments general)" - H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-general)" - H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments cxx-general)" - #H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-cxx-general)" + if test $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 2 -o $cxx_vers_major -gt 4; then + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments general)" + H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-general)" + H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments cxx-general)" + #H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-cxx-general)" + fi ###################### # Developer warnings # @@ -197,27 +199,27 @@ if test "X-g++" = "X-$cxx_vendor"; then ####################### # 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 + if test $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 2 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -le 6; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.2-4.6)" fi # 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 + if test $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 2 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -le 3; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.2-4.3)" fi # 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 + if test $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 5 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -le 6; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.5-4.6)" fi # 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 + if test $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 2 -a $cxx_vers_major -eq 4 -a $cxx_vers_minor -le 4; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.2-4.4)" fi # GCC 4.2 through the end of GCC 4 series - if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2; then + if test $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 2; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.2-4.last)" fi @@ -226,68 +228,68 @@ if test "X-g++" = "X-$cxx_vendor"; then ############################# # gcc >= 4.3 - if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 3; then + if test $cxx_vers_major -ge 5 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 3; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.3)" fi # gcc >= 4.4 - if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 4; then + if test $cxx_vers_major -ge 5 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 4; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.4)" fi # gcc >= 4.5 - if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 5; then + if test $cxx_vers_major -ge 5 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 5; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.5)" DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments developer-4.5)" NO_DEVELOPER_WARNING_CXXFLAGS="$NO_DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments no-developer-4.5)" fi # gcc >= 4.6 - if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 6; then + if test $cxx_vers_major -ge 5 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 6; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.6)" DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments developer-4.6)" NO_DEVELOPER_WARNING_CXXFLAGS="$NO_DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments no-developer-4.6)" fi # gcc >= 4.7 - if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 7; then + if test $cxx_vers_major -ge 5 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 7; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.7)" DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments developer-4.7)" NO_DEVELOPER_WARNING_CXXFLAGS="$NO_DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments no-developer-4.7)" fi # gcc >= 4.8 - if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 8; then + if test $cxx_vers_major -ge 5 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 8; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.8)" DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments developer-4.8)" NO_DEVELOPER_WARNING_CXXFLAGS="$NO_DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments no-developer-4.8)" fi # gcc >= 4.9 - if test $cc_vers_major -ge 5 -o $cc_vers_major -eq 4 -a $cc_vers_minor -ge 9; then + if test $cxx_vers_major -ge 5 -o $cxx_vers_major -eq 4 -a $cxx_vers_minor -ge 9; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 4.9)" H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments cxx-4.9)" fi # gcc >= 5 - if test $cc_vers_major -ge 5; then + if test $cxx_vers_major -ge 5; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 5)" H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-5)" fi # gcc >= 6 - if test $cc_vers_major -ge 6; then + if test $cxx_vers_major -ge 6; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 6)" fi # gcc >= 7 - if test $cc_vers_major -ge 7; then + if test $cxx_vers_major -ge 7; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 7)" DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments developer-7)" fi # gcc 8 - if test $cc_vers_major -ge 8; then + if test $cxx_vers_major -ge 8; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 8)" H5_ECXXFLAGS="$H5_ECXXFLAGS $(load_gnu_arguments error-8)" DEVELOPER_WARNING_CXXFLAGS="$DEVELOPER_WARNING_CXXFLAGS $(load_gnu_arguments developer-8)" @@ -295,7 +297,7 @@ if test "X-g++" = "X-$cxx_vendor"; then fi # gcc 9 - if test $cc_vers_major -ge 9; then + if test $cxx_vers_major -ge 9; then H5_CXXFLAGS="$H5_CXXFLAGS $(load_gnu_arguments 9)" fi diff --git a/config/gnu-flags b/config/gnu-flags index ad07552..dba9324 100644 --- a/config/gnu-flags +++ b/config/gnu-flags @@ -188,8 +188,10 @@ if test "X-gcc" = "X-$cc_vendor"; then # General # ########### - H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments general)" - H5_ECFLAGS="$H5_ECFLAGS $(load_gnu_arguments error-general)" + if test $cc_vers_major -eq 4 -a $cc_vers_minor -ge 2 -o $cc_vers_major -gt 4; then + H5_CFLAGS="$H5_CFLAGS $(load_gnu_arguments general)" + H5_ECFLAGS="$H5_ECFLAGS $(load_gnu_arguments error-general)" + fi ###################### # Developer warnings # |