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LibC: Fix compile and link flags 

We were linking with -nostdlib and manually linked against libgcc. This
does not link with crtbegin and crtend which provides __dso_handle
preventing use of some global C++ constructors inside libc.

Now we just don't link against libc fixing this issue
This commit is contained in:
Bananymous 2026-03-05 16:25:06 +02:00
parent acebe68dfa
commit e1c337a483
1 changed files with 3 additions and 6 deletions
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9
userspace/libraries/LibC/CMakeLists.txt
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@ -76,7 +76,7 @@ set(LIBC_SOURCES
add_library(objlibc OBJECT ${LIBC_SOURCES}) add_library(objlibc OBJECT ${LIBC_SOURCES})
target_compile_definitions(objlibc PRIVATE __arch=${BANAN_ARCH}) target_compile_definitions(objlibc PRIVATE __arch=${BANAN_ARCH})
target_compile_options(objlibc PRIVATE -O2 -g -Wstack-usage=512 -fno-exceptions -fpic -nolibc) target_compile_options(objlibc PRIVATE -O2 -g -Wstack-usage=512 -fno-exceptions -fno-rtti -fpic)
target_compile_options(objlibc PUBLIC -Wall -Wextra -Werror -Wno-error=stack-usage=) target_compile_options(objlibc PUBLIC -Wall -Wextra -Werror -Wno-error=stack-usage=)
function(add_crtx crtx) function(add_crtx crtx)
@ -99,11 +99,8 @@ banan_install_headers(objlibc)
add_library(libc-static STATIC $<TARGET_OBJECTS:objlibc>) add_library(libc-static STATIC $<TARGET_OBJECTS:objlibc>)
add_library(libc-shared SHARED $<TARGET_OBJECTS:objlibc>) add_library(libc-shared SHARED $<TARGET_OBJECTS:objlibc>)
target_link_options(libc-static PRIVATE -nostdlib) target_link_options(libc-static PRIVATE -nolibc)
target_link_libraries(libc-static PRIVATE -lgcc) target_link_options(libc-shared PRIVATE -nolibc)
target_link_options(libc-shared PRIVATE -nostdlib)
target_link_libraries(libc-shared PRIVATE -lgcc)
install(TARGETS libc-static OPTIONAL) install(TARGETS libc-static OPTIONAL)
install(TARGETS libc-shared OPTIONAL) install(TARGETS libc-shared OPTIONAL)