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| author | Michael Olbrich <m.olbrich@pengutronix.de> | 2021-03-27 10:36:39 +0100 |
|---|---|---|
| committer | Michael Olbrich <m.olbrich@pengutronix.de> | 2021-11-12 14:11:17 +0100 |
| commit | e89a7ffebed02da9f8aebed17d829edf2d8c0a1c (patch) | |
| tree | d10061ad7fd42e92bb4697e54bb77155b1793b13 | |
| parent | 8519c18da728c2b439bc68692d826bded0c20912 (diff) | |
| download | ptxdist-e89a7ffebed02da9f8aebed17d829edf2d8c0a1c.tar.gz ptxdist-e89a7ffebed02da9f8aebed17d829edf2d8c0a1c.tar.xz | |
wrapper: add option for -fno-semantic-interposition
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
| -rw-r--r-- | platforms/toolchain_options.in | 8 | ||||
| -rw-r--r-- | scripts/wrapper/libwrapper.sh | 6 |
2 files changed, 14 insertions, 0 deletions
diff --git a/platforms/toolchain_options.in b/platforms/toolchain_options.in index 0361bf6e7..9e48526f0 100644 --- a/platforms/toolchain_options.in +++ b/platforms/toolchain_options.in @@ -85,6 +85,14 @@ config TARGET_COMPILER_RECORD_SWITCHES enabled, the final binary will likely be different each time a package is rebuilt. +config TARGET_NO_SEMANTIC_INTERPOSITION + bool + prompt "build with -fno-semantic-interposition" + help + Compile with -fno-semantic-interposition. This can improve + performance because allows for better optimization The downside + is that this makes LD_PRELOAD impossible. + config TARGET_BUILD_ID bool default y diff --git a/scripts/wrapper/libwrapper.sh b/scripts/wrapper/libwrapper.sh index 9597fcf77..d124af916 100644 --- a/scripts/wrapper/libwrapper.sh +++ b/scripts/wrapper/libwrapper.sh @@ -252,6 +252,10 @@ cc_add_arch() { fi } +cc_add_optimizations() { + add_opt_arg TARGET_NO_SEMANTIC_INTERPOSITION "-fno-semantic-interposition" +} + cpp_add_target_extra() { cc_check_args ${pkg_cppflags} add_opt_arg TARGET_COMPILER_RECORD_SWITCHES "-frecord-gcc-switches" @@ -263,6 +267,7 @@ cpp_add_target_extra() { cc_add_target_extra() { cc_check_args ${pkg_cflags} cpp_add_target_extra + cc_add_optimizations cc_add_debug cc_add_arch add_arg ${pkg_cflags} @@ -272,6 +277,7 @@ cc_add_target_extra() { cxx_add_target_extra() { cc_check_args ${pkg_cxxflags} cpp_add_target_extra + cc_add_optimizations cc_add_debug cc_add_arch add_arg ${pkg_cxxflags} |