Hello,
I am trying to build Grass from source on Leopard(Mac OS X 10.5.2 with
gcc 4.0.1).
While PROJ.4 built and installed without problem, configure failed
for GRASS proper. The resulting error is ...
"checking External PROJ.4 version... configure: error: *** Could not
determine External PROJ.4 version."
Consider this line from the trace output of the configure script.
+ eval echo configure:6910: '"${CC-cc}' -o conftest '$CFLAGS'
'$CPPFLAGS' '$LDFLAGS' 'conftest.$ac_ext' '$LIBS' '1>&5"'
++ echo configure:6910: 'gcc -o conftest.dSYM -g -O2 conftest.c
1>&5'
The dSYM file extension on the output file is the critical bit. If the
output file ends with a dSYM file extension, only supporting data is
generated. No executable. (see example below). I worked around the
problem by deleting references to ${ac_exeext}. What's the right fix
for the configure script? Apparently there is a supporting script to
autoconf which needs to be updated, right?
Sincerely,
-John
%%% with file extension - no executable
[Macintosh:grass/grass63_release/try] jkern% gcc -o try.dSYM -g -O2
try.c
[Macintosh:grass/grass63_release/try] jkern% ls -l
total 8
-rw-r--r-- 1 jkern staff 171 May 2 16:04 try.c
drwxr-xr-x 3 jkern staff 102 May 8 18:02 try.dSYM
[Macintosh:grass/grass63_release/try] jkern% ls -R
try.c try.dSYM
./try.dSYM:
Contents
./try.dSYM/Contents:
Info.plist Resources
./try.dSYM/Contents/Resources:
DWARF
./try.dSYM/Contents/Resources/DWARF:
try.dSYM
[Macintosh:grass/grass63_release/try] jkern%
%%%% without the extension - all is well.
[Macintosh:grass/grass63_release/try] jkern% gcc -o try -g -02 try.c
[Macintosh:grass/grass63_release/try] jkern% ls -l
total 40
-rwxr-xr-x 1 jkern staff 12832 May 8 19:24 try
-rw-r--r-- 1 jkern staff 171 May 2 16:04 try.c
drwxr-xr-x 3 jkern staff 102 May 8 19:24 try.dSYM
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