blob: 72d784773ffc831701623ca9b904cbf3836b840d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
# -*- shell-script -*-
#
# This file should be sourced into configure if the compiler is the
# GNU gcc compiler or a derivative. It is careful not to do anything
# if the compiler is not GNU; otherwise `cc_flags_set' is set to `yes'
#
# Get the compiler version in a way that works for gcc, egcs, and
# pgcc unless a compiler version is already known
#
# cc_vendor: The compiler name: gcc, egcs, or pgcc
# cc_version: Version number: 2.91.60, 2.7.2.1
#
if test X = "X$cc_flags_set"; then
cc_version="`$CC $CFLAGS -v 2>&1 |grep 'gcc version' |\
sed 's/.*gcc version \([-a-z0-9\.]*\).*/\1/'`"
cc_vendor=`echo $cc_version |sed 's/\([a-z]*\).*/\1/'`
cc_version=`echo $cc_version |sed 's/[-a-z]//g'`
if test X = "X$cc_vendor" -a X != "X$cc_version"; then
cc_vendor=gcc
fi
if test "-" != "$cc_vendor-$cc_version"; then
echo "compiler '$CC' is GNU $cc_vendor-$cc_version"
fi
# Some version numbers
cc_vers_major=`echo $cc_version | cut -f1 -d.`
cc_vers_minor=`echo $cc_version | cut -f2 -d.`
cc_vers_patch=`echo $cc_version | cut -f3 -d.`
test -n "$cc_vers_major" || cc_vers_major=0
test -n "$cc_vers_minor" || cc_vers_minor=0
test -n "$cc_vers_patch" || cc_vers_patch=0
cc_vers_all=`expr $cc_vers_major '*' 1000000 + $cc_vers_minor '*' 1000 + $cc_vers_patch`
fi
# GCC compilers before gcc-2.8.1 have problems with `long long'.
if test gcc = $cc_vendor -a $cc_vers_all -lt 2008001; then
cat <<EOF
**
** This compiler may be unable to properly compile the long long
** data type used extensively by hdf5, although specifying
** --disable-hsizet for configure may work around those bugs.
** There may be other code generation problems also, especially
** when optimizations are enabled. Please upgrade to at least GNU
** gcc version 2.8.1 before reporting bugs to the HDF5 team.
**
EOF
sleep 5
# Current EGCS compilers have problems with `long long' and register
# allocation when optimizations are turned on for x86 systems.
elif test egcs = $cc_vendor -a $cc_vers_all -le 2091066; then
if test "$HSIZET" != "large"; then
cat <<EOF
**
** This compiler may have problems allocating registers when
** optimizations are enabled on some platforms. Specifying
** --disable-hsizet usually avoids the bug.
**
EOF
sleep 5
fi
# All current versions of PGCC have problems also.
elif test pgcc = $cc_vendor -a $cc_vers_all -le 2091066; then
cat <<EOF
**
** This compiler may have problems allocating registers for long
** long data types when optimizations are enabled. There may be
** other code generation problems as well. We know of no version
** of pgcc which is capable of compiling HDF5 in production mode.
** Please use gcc-2.8 or egcs-1.1.1 before reporting bugs.
**
EOF
sleep 5
fi
# Architecture-specific flags
case "$host_os-$host_cpu" in
# FreeBSD sets the information from "hostname -m" to the general machine
# architecture, not the specific CPU for the machine, so even our
# Pentium II Xeon server is set to "i386". Once we know we are on a FreeBSD
# machine, use the "sysctl" command to get the CPU hardware model.
freebsd*)
host_cpu_model=`sysctl -n hw.model`
case "$host_cpu_model" in
# Hmm.. this might not catch Celerons, but it won't hurt them either...
*Pro*|*II*)
# This check should be kept in sync with the *-i686 check below
case "$cc_vendor-$cc_version" in
gcc-2.95*)
ARCH=${ARCH:="-march=i686"}
;;
gcc-*|egcs-*|pgcc-*)
ARCH=${ARCH:="-mcpu=pentiumpro -march=pentiumpro"}
;;
esac
;;
esac
;;
*-i686)
case "$cc_vendor-$cc_version" in
gcc-2.9[56]*)
ARCH=${ARCH:="-march=i686"}
;;
gcc-*|egcs-*|pgcc-*)
ARCH=${ARCH:="-mcpu=pentiumpro -march=pentiumpro"}
;;
esac
;;
esac
# Host-specific flags
case "`hostname`" in
hawkwind.ncsa.uiuc.edu)
ARCH="$ARCH -pipe"
;;
esac
# Common GCC flags for various situations
case "$cc_vendor-$cc_version" in
gcc*|egcs*|pgcc*)
# General
CFLAGS="$CFLAGS $ARCH -ansi -pedantic -Wchar-subscripts -Wall -W -Wshadow -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Winline"
# Production
PROD_CFLAGS="-O2 $NOFP -finline-functions"
PROD_CPPFLAGS=
# Debug
DEBUG_CFLAGS="-g -fverbose-asm -Wpointer-arith -Wconversion -Wredundant-decls"
DEBUG_CPPFLAGS=
# Profile
PROFILE_CFLAGS=-pg
PROFILE_CPPFLAGS=
;;
esac
# Version specific GCC flags
case "$cc_vendor-$cc_version" in
gcc-2.7*)
# No changes from default GCC flags...
# Flags are set
cc_flags_set=yes
;;
gcc-2.8.*)
# General
CFLAGS="$CFLAGS $ARCH -Wsign-compare"
# Production
PROD_CFLAGS="$PROD_CFLAGS -fschedule-insns2"
# Flags are set
cc_flags_set=yes
;;
gcc-2.95*)
# No changes from default GCC flags...
# Flags are set
cc_flags_set=yes
;;
egcs-2.*|pgcc-2.*)
# General
CFLAGS="$CFLAGS $ARCH -Wsign-compare"
# Production
PROD_CFLAGS="-O6 $NOFP"
# Flags are set
cc_flags_set=yes
;;
gcc-*|egcs-*|pgcc-*)
# This must be some other GNU compiler that we don't know about.
# Just use fairly generic flags.
# Production
PROD_CFLAGS=-O
PROD_CPPFLAGS=
# Debug
DEBUG_CFLAGS=-g
DEBUG_CPPFLAGS=
# Profile
PROFILE_CFLAGS=-pg
PROFILE_CPPFLAGS=
# Flags are set
cc_flags_set=yes
;;
esac
# Clear cc info if no flags set
if test X = "X$cc_flags_set"; then
cc_vendor=
cc_version=
fi
|
