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-rw-r--r--config/cmake/HDFCompilerFlags.cmake7
1 files changed, 6 insertions, 1 deletions
diff --git a/config/cmake/HDFCompilerFlags.cmake b/config/cmake/HDFCompilerFlags.cmake
index 4712f50..106d6d7 100644
--- a/config/cmake/HDFCompilerFlags.cmake
+++ b/config/cmake/HDFCompilerFlags.cmake
@@ -143,7 +143,7 @@ if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC)
#
# Technically, variable-length arrays are part of the C99 standard, but
# we should approach them a bit cautiously... -QAK
- set (H5_CFLAGS1 "${H5_CFLAGS1} -Wlogical-op -Wlarger-than=2048 -Wvla")
+ set (H5_CFLAGS1 "${H5_CFLAGS1} -Wlogical-op -Wlarger-than=2560 -Wvla")
# Append more extra warning flags that only gcc 4.4+ know about
set (H5_CFLAGS1 "${H5_CFLAGS1} -Wsync-nand -Wframe-larger-than=16384 -Wpacked-bitfield-compat")
@@ -203,6 +203,11 @@ if (NOT MSVC AND CMAKE_COMPILER_IS_GNUCC)
set (H5_CFLAGS4 "${H5_CFLAGS4} -Walloc-zero -Walloca -Wduplicated-branches -Wformat-overflow=2 -Wformat-truncation=2 -Wimplicit-fallthrough=5 -Wrestrict")
endif ()
+ # Append more extra warning flags that only gcc 8.x+ know about
+ if (CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 8.0)
+ set (H5_CFLAGS4 "${H5_CFLAGS4} -Wattribute-alias -Wcast-align=strict -Wshift-overflow=2 -Wno-suggest-attribute=cold -Wno-suggest-attribute=malloc")
+ endif ()
+
endif ()
#-----------------------------------------------------------------------------