Am 24.08.2015 um 22:27 schrieb Roger Pack:
If I configure ffmpeg like ./configure --extra-cflags=-fno-omit-frame-pointer, my parameter is basically "ignored" at build time by other later parameters, viz:$make libavdevice/dshow.o V=1 gcc -I. -I./ -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 -D__printf__=__gnu_printf__ -DZLIB_CONST -DDEBUG -DHAVE_AV_CONFIG_H -O0 -fno-omit-frame-pointer -std=c99 -fomit-frame-pointer -g3 -Wdeclaration-after-statement -Wall -Wdisabled-optimization -Wpointer-arith -Wredundant-decls -Wwrite-strings -Wtype-limits -Wundef -Wmissing-prototypes -Wno-pointer-to-int-cast -Wstrict-prototypes -Wempty-body -Wno-parentheses -Wno-switch -Wno-format-zero-length -Wno-pointer-sign -O3 -fno-math-errno -fno-signed-zeros -fno-tree-vectorize -Werror=format-security -Werror=implicit-function-declaration -Werror=missing-prototypes -Werror=return-type -Werror=vla -Wformat -fdiagnostics-color=auto -Wno-maybe-uninitialized -MMD -MF libavdevice/dshow.d -MT libavdevice/dshow.o -c -o libavdevice/dshow.o libavdevice/dshow.c Notice that it is overridden by a later "-fomit-frame-pointer". It seems there's no configure parameter that allows me to postpend options, anyway my suggestion/feature request would be that "--extra-cflags" be somehow postpended instead of what they are now
likely there is a good reason developers enforcing params to avoid bugreports caused as side-effects by "tune" them.......
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