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Top Forums Shell Programming and Scripting Problem with "make" command in Linux Post 302836389 by kaav06 on Wednesday 24th of July 2013 04:49:51 AM
Old 07-24-2013
Hi Mr.Bean ,
Thank you so much. I could install the g++ library now. However when I run make file of the program I downloaded, I get something like this,
Code:
sbinf-01 (kmohanas) 211 $make
g++  -O2 -c pgm.cpp 
In file included from pgm.cpp:12:
pgm.h:16:49: error: iostream.h: No such file or directory
pgm.h:17:51: error: fstream.h: No such file or directory
pgm.h:18:36: error: iomanip.h: No such file or directory
pgm.cpp: In function ‘int main(int, char**)':
pgm.cpp:31: error: ‘cout' was not declared in this scope
pgm.cpp:31: error: ‘endl' was not declared in this scope
pgm.cpp:41: warning: deprecated conversion from string constant to ‘char*'
pgm.cpp:138: error: ‘cerr' was not declared in this scope
pgm.cpp:152: warning: deprecated conversion from string constant to ‘char*'
pgm.cpp:158: warning: deprecated conversion from string constant to ‘char*'
pgm.cpp:161: warning: deprecated conversion from string constant to ‘char*'
pgm.cpp:164: warning: deprecated conversion from string constant to ‘char*'
pgm.cpp:173: warning: deprecated conversion from string constant to ‘char*'
make: *** [pgm.o] Error 1

Could please tell me what is happening exactly
 

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ppmtopgm(1)						      General Commands Manual						       ppmtopgm(1)

NAME
ppmtopgm - convert a portable pixmap into a portable graymap SYNOPSIS
ppmtopgm [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Produces a portable graymap as output. The output is a "black and white" rendering of the original image, as in a black and white photograph. The quantization formula used is .299 r + .587 g + .114 b. Note that although there is a pgmtoppm program, it is not necessary for simple conversions from pgm to ppm , because any ppm program can read pgm (and pbm ) files automatically. pgmtoppm is for colorizing a pgm file. Also, see ppmtorgb3 for a different way of converting color to gray. And ppmdist generates a grayscale image from a color image, but in a way that makes it easy to differentiate the original colors, not necessarily a way that looks like a black and white photograph. QUOTE
Cold-hearted orb that rules the night Removes the colors from our sight Red is gray, and yellow white But we decide which is right And which is a quantization error. SEE ALSO
pgmtoppm(1),ppmtorgb3(1),rgb3toppm(1),ppmdist(1),ppm(5),pgm(5) AUTHOR
Copyright (C) 1989 by Jef Poskanzer. 10 April 2000 ppmtopgm(1)
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