ID0000548: **This issue was created automatically from Mantis Issue 548. Further discussion may take place here.** --- | **Id** | **Project** | **Category** | **View** | **Due Date** | **Updated** | | --- | --- | --- | --- | --- | --- | | ID0000548 | Frama-C | Kernel | public | 2010-07-25 | 2014-02-12 | | | | | | | | | --- | --- | --- | --- | --- | --- | | **Reporter** | pascal | **Assigned To** | pascal | **Resolution** | fixed | | **Priority** | normal | **Severity** | minor | **Reproducibility** | always | | **Platform** | - | **OS** | - | **OS Version** | - | | **Product Version** | Frama-C Boron-20100401 | **Target Version** | - | **Fixed in Version** | Frama-C Carbon-20101201-beta1 | ### Description : Header limit.h contains macros that cannot be used for anything: $ cat t.c #include <limits.h> main(){ unsigned int x = UINT_MAX; return 0; } $ gcc -C -E -I/Users/pascal/ppc/share/libc/ -o t.i t.c $ cat t.i .. # 2 "t.c" 2 main(){ unsigned int x = (((1 << (4*8))-1))U; return 0; } The above is not syntactically an expression: $ gcc -c t.i t.c: In function ‘main’: t.c:4: warning: left shift count >= width of type t.c:4: error: expected ‘,’ or ‘;’ before ‘U’ $ ~/ppc/bin/toplevel.opt t.i t.c:4:[kernel] user error: syntax error [kernel] user error: skipping file "t.i" that has errors. [kernel] Frama-C aborted because of invalid user input. Gcc's other warning regarding width of type is also a valid point. A low-tech solution would be to define these values as constants within #ifdef MACHDEP_X86, … and to let the user use "gcc -C -E -DMACHDEP_X86" for preprocessing.