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test: Use libc provided library name for libm.so #98

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test: Use libc provided library name for libm.so #98

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7 changes: 7 additions & 0 deletions test/multi_agent_dlopen/CMakeLists.txt
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Original file line number Diff line number Diff line change
@@ -1,7 +1,14 @@
INCLUDE(CheckIncludeFile)

check_include_file(gnu/lib-names.h HAVE_GNU_LIBNAMES_H)

set(CMAKE_C_FLAGS "-g -O -fPIC")
add_library(multi_agent_sym SHARED dlsym.c)
add_library(multi_agent_mon SHARED monitor.c)
add_executable(multi_agent_main main.c)
if(HAVE_GNU_LIBNAMES_H)
target_compile_definitions(multi_agent_main PRIVATE -DHAVE_GNU_LIBNAMES_H)
endif()
target_link_libraries(multi_agent_main dl)
target_link_libraries(multi_agent_mon dl gotcha)
gotcha_add_test(multi_agent_dlopen multi_agent_main)
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10 changes: 9 additions & 1 deletion test/multi_agent_dlopen/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,14 @@
#include <math.h>
#include <stdio.h>

#ifdef HAVE_GNU_LIBNAMES_H
#include <gnu/lib-names.h>
#endif

#ifndef LIBM_SO
#define LIBM_SO "libm.so"
#endif

#define MYNAME "main"

typedef double sin_fcn_t(double);
Expand All @@ -21,7 +29,7 @@ main(int argc, char **argv)

fprintf(stderr, "%s: val = %.6f\n", MYNAME, val);

void *handle = dlopen("libm.so", RTLD_NOW);
void *handle = dlopen(LIBM_SO, RTLD_NOW);
if (handle == NULL) {
err(1, "dlopen failed");
}
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