make/toolchain.sh

changeset 742
7e67689241fd
child 802
16e5b9d32754
equal deleted inserted replaced
741:e9a5dd08258d 742:7e67689241fd
1 #!/bin/sh
2 #
3 # toolchain detection
4 #
5
6 C_COMPILERS="cc gcc clang suncc"
7 CPP_COMPILERS="CC g++ clang++ sunCC"
8 unset CC_ARG_CHECKED
9 unset TOOLCHAIN_DETECTION_ERROR
10 unset TOOLCHAIN_NAME
11
12 check_c_compiler()
13 {
14 cat > $TEMP_DIR/test.c << __EOF__
15 /* test file */
16 #include <stdio.h>
17 int main(int argc, char **argv) {
18 #if defined(__clang__)
19 printf("clang\n");
20 #elif defined(__GNUC__)
21 printf("gcc\n");
22 #elif defined(__sun)
23 printf("suncc\n");
24 #else
25 printf("unknown\n");
26 #endif
27 return 0;
28 }
29 __EOF__
30 rm -f $TEMP_DIR/checkcc
31 $1 -o $TEMP_DIR/checkcc $CFLAGS $LDFLAGS $TEMP_DIR/test.c 2> /dev/null
32
33 if [ $? -ne 0 ]; then
34 return 1
35 fi
36 return 0
37 }
38
39 check_cpp_compiler()
40 {
41 cat > $TEMP_DIR/test.cpp << __EOF__
42 /* test file */
43 #include <iostream>
44 int main(int argc, char **argv) {
45 #if defined(__clang__)
46 std::cout << "clang" << std::endl;
47 #elif defined(__GNUC__)
48 std::cout << "gcc" << std::endl;
49 #elif defined(__sun)
50 std::cout << "suncc" << std::endl;
51 #else
52 std::cout << "unknown" << std::endl;
53 #endif
54 return 0;
55 }
56 __EOF__
57 rm -f $TEMP_DIR/checkcc
58 $1 -o $TEMP_DIR/checkcc $CXXFLAGS $LDFLAGS $TEMP_DIR/test.cpp 2> /dev/null
59
60 if [ $? -ne 0 ]; then
61 return 1
62 fi
63 return 0
64 }
65
66 printf "detect C compiler... "
67
68 for COMP in $C_COMPILERS
69 do
70 check_c_compiler $COMP
71 if [ $? -ne 0 ]; then
72 if [ ! -z "$CC" ]; then
73 if [ $COMP = $CC ]; then
74 echo "$CC is not a working C Compiler"
75 TOOLCHAIN_DETECTION_ERROR="error"
76 break
77 fi
78 fi
79 else
80 TOOLCHAIN_NAME=`$TEMP_DIR/checkcc`
81 USE_TOOLCHAIN=$TOOLCHAIN_NAME
82 if [ $COMP = "cc" ]; then
83 # we have found a working compiler, but in case
84 # the compiler is gcc or clang, we try to use
85 # these commands and not 'cc'
86 TOOLCHAIN_NAME=`$TEMP_DIR/checkcc`
87 if [ $TOOLCHAIN_NAME = "gcc" ]; then
88 check_c_compiler "gcc"
89 if [ $? -eq 0 ]; then
90 COMP=gcc
91 USE_TOOLCHAIN="gcc"
92 fi
93 fi
94 if [ $TOOLCHAIN_NAME = "clang" ]; then
95 check_c_compiler "clang"
96 if [ $? -eq 0 ]; then
97 COMP=clang
98 USE_TOOLCHAIN="clang"
99 fi
100 fi
101 fi
102
103 TOOLCHAIN_NAME=$USE_TOOLCHAIN
104 TOOLCHAIN_CC=$COMP
105 echo $COMP
106 break
107 fi
108 done
109 if [ -z $TOOLCHAIN_CC ]; then
110 echo "not found"
111 fi
112
113 printf "detect C++ compiler... "
114
115 for COMP in $CPP_COMPILERS
116 do
117 check_cpp_compiler $COMP
118 if [ $? -ne 0 ]; then
119 if [ ! -z "$CXX" ]; then
120 if [ $COMP = $CXX ]; then
121 echo "$CC is not a working C++ Compiler"
122 TOOLCHAIN_DETECTION_ERROR="error"
123 break
124 fi
125 fi
126 else
127 if [ $COMP = "CC" ]; then
128 # we have found a working compiler, but in case
129 # the compiler is gcc or clang, we try to use
130 # these commands and not 'cc'
131 TOOLCHAIN_NAME=`$TEMP_DIR/checkcc`
132 USE_TOOLCHAIN=$TOOLCHAIN_NAME
133 if [ $TOOLCHAIN_NAME = "gcc" ]; then
134 check_cpp_compiler "g++"
135 if [ $? -eq 0 ]; then
136 COMP=g++
137 USE_TOOLCHAIN="gcc"
138 fi
139 fi
140 if [ $TOOLCHAIN_NAME = "clang" ]; then
141 check_cpp_compiler "clang++"
142 if [ $? -eq 0 ]; then
143 COMP=clang++
144 USE_TOOLCHAIN="clang"
145 fi
146 fi
147 fi
148
149 TOOLCHAIN_NAME=$USE_TOOLCHAIN
150 TOOLCHAIN_CXX=$COMP
151 echo $COMP
152 break
153 fi
154 done
155 if [ -z $TOOLCHAIN_CXX ]; then
156 echo "not found"
157 fi
158
159 TOOLCHAIN_LD=$TOOLCHAIN_CC
160
161 if [ -z "$TOOLCHAIN_NAME" ]; then
162 TOOLCHAIN_DETECTION_ERROR="error"
163 else
164 cat >> $TEMP_DIR/config.mk << __EOF__
165 # toolchain
166 __EOF__
167 echo "CC = ${TOOLCHAIN_CC}" >> $TEMP_DIR/config.mk
168 if [ ! -z "$TOOLCHAIN_CXX" ]; then
169 echo "CXX = ${TOOLCHAIN_CXX}" >> $TEMP_DIR/config.mk
170 fi
171 echo "LD = ${TOOLCHAIN_LD}" >> $TEMP_DIR/config.mk
172 echo >> $TEMP_DIR/config.mk
173
174 cat "make/${TOOLCHAIN_NAME}.mk" > /dev/null 2>&1
175 if [ $? -eq 0 ]; then
176 echo "include \$(BUILD_ROOT)/make/${TOOLCHAIN_NAME}.mk" >> $TEMP_DIR/config.mk
177 else
178 echo "SHLIB_CFLAGS = -fPIC" >> $TEMP_DIR/config.mk
179 echo "SHLIB_LDFLAGS = -shared" >> $TEMP_DIR/config.mk
180 fi
181 fi

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