mirror of
https://github.com/intel/linux-sgx
synced 2026-06-08 14:49:32 +00:00
Li, Xun
53 lines
2.8 KiB
Bash
Executable File
53 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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test -n "$srcdir" || srcdir=`dirname "$0"`
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test -n "$srcdir" || srcdir=.
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(
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cd "$srcdir" &&
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autoreconf --force -v --install
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) || exit
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CFLAGS="$CFLAGS -std=c99 -fno-builtin -DHAVE_SGX=1 -fPIC -DUNW_LOCAL_ONLY -fdebug-prefix-map=$(pwd)=/libunwind"
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# Remove duplicated compiler options and filter out `-nostdinc'
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CFLAGS=`echo $CFLAGS | tr ' ' '\n' | grep -v nostdinc | tr '\n' ' '`
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export CFLAGS
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#Insert following codes into configure after add "-mfunction-return=thunk-extern -mindirect-branch-register" option, Or the "checking whether the C compiler works..." check will fail
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#Insert following codes into configure after add "-mfunction-return=thunk-extern -mindirect-branch-register" option, Or the "checking whether we are cross compiling... " check will fail
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# #pragma GCC push_options
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# #pragma GCC optimize ("-fomit-frame-pointer")
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# void __x86_return_thunk()
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# {
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# __asm__("ret\n\t");
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# }
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# void __x86_indirect_thunk_rax()
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# {
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# __asm__("jmp *%rax\n\t");
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# }
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# #pragma GCC pop_options
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line=`grep -n "__x86_return_thunk()" ./configure | cut -d: -f 1`
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if [ -n "$line" ]; then
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echo "__x86_return_thunk() already exist..."
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else
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line_end=`grep -n "\"checking whether the C compiler works... \"" ./configure | cut -d: -f 1`
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line_start=`expr $line_end - 30` #Search an scope
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sed -i "${line_start},${line_end} s/^_ACEOF/#pragma GCC push_options\r\n#pragma GCC optimize (\"-fomit-frame-pointer\")\r\nvoid __x86_return_thunk(){__asm__(\"ret\\\n\\\t\");}\r\nvoid __x86_indirect_thunk_rax(){__asm__(\"jmp \*%rax\\\n\\\t\");}\r\n#pragma GCC pop_options\r\n_ACEOF/" ./configure
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line_end=`grep -n "\"checking whether we are cross compiling... \"" ./configure | cut -d: -f 1`
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line_start=`expr $line_end - 30` #Search an scope
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sed -i "${line_start},${line_end} s/^_ACEOF/#pragma GCC push_options\r\n#pragma GCC optimize (\"-fomit-frame-pointer\")\r\nvoid __x86_return_thunk(){__asm__(\"ret\\\n\\\t\");}\r\nvoid __x86_indirect_thunk_rax(){__asm__(\"jmp \*%rax\\\n\\\t\");}\r\n#pragma GCC pop_options\r\n_ACEOF/" ./configure
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fi
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test -n "$NOCONFIGURE" || "$srcdir/configure" --enable-shared=no \
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--disable-block-signals \
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--enable-debug=no \
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--enable-debug-frame=no \
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--enable-coredump=no \
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--enable-ptrace=no \
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--enable-setjmp=no \
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--disable-tests \
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--enable-cxx-exceptions
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#Remove the HAVE_MINCORE because inside SGX doesn't exist mincore() function
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sed -i 's/#define HAVE_MINCORE/\/\/#define HAVE_MINCORE/g' include/config.h
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