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Error on missing function prototypes with gcc
This makes it an error to not have a prototype in scope for a function with external linkage. The flag is only enabled for gcc due to -Werror=type not working with all compilers. Originally committed as revision 22313 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -2752,6 +2752,7 @@ elif enabled ccc; then
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elif enabled gcc; then
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elif enabled gcc; then
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check_cflags -fno-tree-vectorize
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check_cflags -fno-tree-vectorize
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check_cflags -Werror=implicit
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check_cflags -Werror=implicit
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check_cflags -Werror=missing-prototypes
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elif enabled clang; then
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elif enabled clang; then
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check_cflags -Qunused-arguments
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check_cflags -Qunused-arguments
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elif enabled armcc; then
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elif enabled armcc; then
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