9b08c62330
Imported targets are now the recommended way of dealing with external library dependencies. Add one for FindPNG and update documentation accordingly. Also add a test case activated by CMake_TEST_FindPNG.
21 lines
419 B
C
21 lines
419 B
C
#include <assert.h>
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#include <string.h>
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#include <png.h>
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int main()
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{
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png_uint_32 png_version;
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char png_version_string[16];
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png_version = png_access_version_number ();
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snprintf (png_version_string, 16, "%i.%i.%i",
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png_version / 10000,
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(png_version % 10000) / 100,
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png_version % 100);
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assert (strcmp(png_version_string, CMAKE_EXPECTED_PNG_VERSION) == 0);
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return 0;
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}
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