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Add musl support #523

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c961329
Update Makefile
GNUfault-is-on-repo-or-cz-cuz-dis-sux Jul 10, 2026
0bf5a88
Update tools.cpp
GNUfault-is-on-repo-or-cz-cuz-dis-sux Jul 10, 2026
0c55286
Update Makefile
GNUfault-is-on-repo-or-cz-cuz-dis-sux Jul 10, 2026
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5 changes: 5 additions & 0 deletions source/src/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,11 @@ ifneq (,$(findstring clang,$(CXX)))
else
CXXFLAGS= -O3 -fomit-frame-pointer
override CXXFLAGS+= -Wall -fsigned-char -ffast-math -rdynamic -Wno-format-zero-length

ifneq ($(wildcard /usr/include/execinfo.h),)
override CXXFLAGS+= -DHAS_EXECINFO
endif

ifeq "$(shell expr 'gcc -dumpversion' \>= 8)" "1"
override CXXFLAGS+= -Wno-stringop-truncation
endif
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11 changes: 9 additions & 2 deletions source/src/tools.cpp
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Expand Up @@ -381,14 +381,18 @@ void stackdumper(unsigned int type, EXCEPTION_POINTERS *ep)
}
#elif defined(linux) || defined(__linux) || defined(__linux__)

// Add support for musl systems (eg., alpine, void)
#if defined(HAS_EXECINFO)
#include <execinfo.h>
#endif

// stack dumping on linux, inspired by Sachin Agrawal's sample code

struct signalbinder
{
static void stackdumper(int sig)
{
#if defined(HAS_EXECINFO)
printf("stacktrace:\n");
#if !defined(STANDALONE)
if(clientlogfile) clientlogfile->printf("stacktrace\n");
Expand All @@ -397,17 +401,20 @@ struct signalbinder
void *array[BTSIZE];
int n = backtrace(array, BTSIZE);
char **symbols = backtrace_symbols(array, n);

for(int i = 0; i < n; i++)
{
printf("%s\n", symbols[i]);
#if !defined(STANDALONE)
if(clientlogfile) clientlogfile->printf("%s\n", symbols[i]);
#endif
}
free(symbols);

free(symbols);
#else
printf("Stacktrace not available!\n");
#endif
fatal("AssaultCube error (%d)", sig);

}

signalbinder()
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