100 lines
2.9 KiB
Bash
Executable File
100 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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# Front-end kludge to cause a Cygwin gcc to default to
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# an installed version of the MinGW components.
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#
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# Find the path to the compiler.
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#
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compiler=$1; shift
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dir=$(cd $(dirname $("$compiler" -print-prog-name=ld))/../..; pwd)
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#
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# The mingw32 directory should live somewhere close by to the
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# compiler. Search for it.
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#
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[ "$dir" = '/' ] && dir=''
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mingw_dir=''
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for d in "$dir"/*-mingw32 "$dir"/usr/*-mingw32 "$dir"/*-mingw* "$dir"/usr/*-mingw* \
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/*-mingw32 /usr/*-mingw32 /*-mingw* /usr/*-mingw*; do
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case "$d" in
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*\**) continue ;;
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*) if [ -d "$d"/sys-root/mingw ]; then
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mingw_dir=$d/sys-root/mingw
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else
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mingw_dir=$d;
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fi; break;
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esac
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done
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if [ -z "$mingw_dir" ]; then
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echo "$0: couldn't find i686-pc-mingw32 directory" 1>&2
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exit 1
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fi
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#
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# Inspect each argument throwing away ones that seem to try to include the
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# Cygwin environment.
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#
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newargs=()
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sawcomp() { return 1; }
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sawcfile() { return 1; }
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sawofile() { return 1; }
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sawshared() { return 1; }
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sawnostdinc() { return 1; }
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sawnostdlib() { return 1; }
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eatnext() { return 1; }
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pushnext() { return 1; }
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for f do
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if eatnext; then
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eatnext() { return 1; }
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continue;
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fi
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if pushnext; then
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pushnext() { return 1; }
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else
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case "$f" in
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*cygwin/include*|*newlib|-mno-cygwin) continue ;;
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-c|-E) sawcomp() { return 0; } ;;
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-xc*) sawcfile() { return 0; } ;;
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-isystem) eatnext() { return 0; }; continue ;;
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-o) pushnext() { return 0; } ;;
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-nostdinc*) sawnostdinc() { return 0; } ;;
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-nostdlib) sawnostdlib() { return 0; } ;;
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-shared|-Wl,-shared) sawshared() { return 0; } ;;
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-*) ;;
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*.cc|*.c|*.s|*.S|*.i|*.ii) sawcfile() { return 0; } ;;
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*.o) sawofile() { return 0; };;
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esac
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fi
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newargs[${#newargs[*]}]="$f"
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done
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# Set up a new set of arguments + also search the installed mingw
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# directory.
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set -- -B"$mingw_dir"/lib/ "${newargs[@]}"
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# Add some default options depending on whether this looks like
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# an attempt to link, compile, or both.
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if sawcomp || sawcfile; then
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ccdir=$(dirname $($compiler -print-libgcc-file-name))
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sawnostdinc || set -- -isystem "$ccdir"/include -I"${mingw_dir}"/include "$@"
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set -- -D__MINGW32__ -D__MSVCRT__ -DWIN32 -D_WIN32 -D__WIN32 -D__WIN32__ -U__CYGWIN__ -Uunix -U__unix__ -U__unix -U __CYGWIN32__ "$@"
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if ! sawnostdinc; then
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case "$compiler" in
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*++*) set -- -nostdinc++ "$@" ;;
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*) set -- -nostdinc "$@" ;;
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esac
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fi
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fi
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if sawofile || ! sawcfile || ! sawcomp; then
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w32api=$($compiler -print-file-name=libc.a)
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w32api=$(cd $(dirname "$w32api")/w32api; pwd)
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set -- -Wl,-nostdlib -L"${w32api}" "$@"
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! sawnostdlib && set -- -nostdlib "$@" -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt -lmingw32 -luser32 -lkernel32 -ladvapi32 -lshell32 -lmingw32 -lgcc -lmoldname -lmingwex -lmsvcrt
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! sawnostdlib && ! sawshared && { sawofile || sawcfile; } && set -- "$mingw_dir"/lib/crt2.o "$@"
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fi
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# Execute the compiler with new mingw-specific options.
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exec $compiler "$@"
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