Hi Evgeny, On 30.05.19 13:50, Evgeny Grin wrote: > Hi Tim, > > Thanks for details. > I'll fix this case.
Thank you ! > > However, it is not advisable to use any -Werror= flags for configure, as > it may break some tests. > For example, if you will use -Werror=extra-semi clang flag then you will > break most of compile and link tests. > I'd recommend you to run configure without any -Werror flags, but > redefine CGLAGS with -Werror parameters for make invocation. > My CFLAGS are ac_configure_args = 'CFLAGS=-g -Og -Wall -Wextra -Wall -Wextra -Wformat=2 -Walloc-zero -Walloca -Wbad-function-cast -Wcomments -Wdate-time -Wdouble-promotion -Wduplicated-branches -Wduplicated-cond -Werror-implicit-function-declaration -Wfloat-conversion -Wfloat-equal -Wformat -Wformat-signedness -Wformat-truncation -Winit-self -Winvalid-pch -Wjump-misses-init -Wlogical-op -Wmissing-declarations -Wmissing-format-attribute -Wmissing-include-dirs -Wmissing-prototypes -Wmultichar -Wnested-externs -Wnormalized -Wold-style-definition -Woverlength-strings -Wpedantic -Wpointer-arith -Wredundant-decls -Wscalar-storage-order -Wshift-overflow -Wstrict-prototypes -Wstringop-overflow -Wswitch-default -Wswitch-enum -Wundef -Wunused-const-variable -Wvariadic-macros -Wwrite-strings -Warray-bounds=2 -Wnormalized=nfc -Wshift-overflow=2 -Wunused-const-variable=2 -Wformat-overflow=2 -Wformat-truncation=1 -Wstringop-overflow=2 -fdiagnostics-color=always -Wno-cast-function-type' So there is this -Werror-implicit-function-declaration. The CFLAGS are automatically generated by using 'gcc -Q --help=warnings,C' and some scripting within a m4 file. This command lists -Werror-implicit-function-declaration for gcc-4.6 and higher. I wonder if this is a gcc bug that I run into - since only warnings have been requested. Regards, Tim
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