| Index Entry |  Section | 
 
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| # |  |  | 
 | # (comments), in commands | 5. Writing the Commands in Rules | 
 | # (comments), in makefile | 3.1 What Makefiles Contain | 
 | #include | 4.14 Generating Prerequisites Automatically | 
 
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| $ |  |  | 
 | $$@, support for | 10.5.3 Automatic Variables | 
 | $, in function call | 8.1 Function Call Syntax | 
 | $, in rules | 4.2 Rule Syntax | 
 | $, in variable name | 6.3.2 Computed Variable Names | 
 | $, in variable reference | 6.1 Basics of Variable References | 
 
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| % |  |  | 
 | %, in pattern rules | 10.5.1 Introduction to Pattern Rules | 
 | %, quoting in patsubst | 8.2 Functions for String Substitution and Analysis | 
 | %, quoting in static pattern | 4.12.1 Syntax of Static Pattern Rules | 
 | %, quoting in vpath | 4.5.2 The vpath Directive | 
 | %, quoting with \ (backslash) | 4.5.2 The vpath Directive | 
 | %, quoting with \ (backslash) | 4.12.1 Syntax of Static Pattern Rules | 
 | %, quoting with \ (backslash) | 8.2 Functions for String Substitution and Analysis | 
 
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| * |  |  | 
 | * (wildcard character) | 4.4 Using Wildcard Characters in File Names | 
 
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| + |  |  | 
 | +, and command execution | 9.3 Instead of Executing the Commands | 
 | +, and commands | 5.6.1 How the MAKE Variable Works | 
 | +, and define | 5.7 Defining Canned Command Sequences | 
 | += | 6.6 Appending More Text to Variables | 
 | +=, expansion | Variable Assignment | 
 | +=, expansion | Variable Assignment | 
 
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| , |  |  | 
 | ,v (RCS file extension) | 10.2 Catalogue of Implicit Rules | 
 
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| - |  |  | 
 | - (in commands) | 5.4 Errors in Commands | 
 | -, and define | 5.7 Defining Canned Command Sequences | 
 | --always-make | 9.7 Summary of Options | 
 | --assume-new | 9.3 Instead of Executing the Commands | 
 | --assume-new | 9.7 Summary of Options | 
 | --assume-new, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | --assume-old | 9.4 Avoiding Recompilation of Some Files | 
 | --assume-old | 9.7 Summary of Options | 
 | --assume-old, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | --debug | 9.7 Summary of Options | 
 | --directory | 5.6 Recursive Use of make | 
 | --directory | 9.7 Summary of Options | 
 | --directory, and --print-directory | 5.6.4 The `--print-directory' Option | 
 | --directory, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | --dry-run | 5.1 Command Echoing | 
 | --dry-run | 9.3 Instead of Executing the Commands | 
 | --dry-run | 9.7 Summary of Options | 
 | --environment-overrides | 9.7 Summary of Options | 
 | --file | 3.2 What Name to Give Your Makefile | 
 | --file | 9.1 Arguments to Specify the Makefile | 
 | --file | 9.7 Summary of Options | 
 | --file, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | --help | 9.7 Summary of Options | 
 | --ignore-errors | 5.4 Errors in Commands | 
 | --ignore-errors | 9.7 Summary of Options | 
 | --include-dir | 3.3 Including Other Makefiles | 
 | --include-dir | 9.7 Summary of Options | 
 | --jobs | 5.3 Parallel Execution | 
 | --jobs | 9.7 Summary of Options | 
 | --jobs, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | --just-print | 5.1 Command Echoing | 
 | --just-print | 9.3 Instead of Executing the Commands | 
 | --just-print | 9.7 Summary of Options | 
 | --keep-going | 5.4 Errors in Commands | 
 | --keep-going | 9.6 Testing the Compilation of a Program | 
 | --keep-going | 9.7 Summary of Options | 
 | --load-average | 5.3 Parallel Execution | 
 | --load-average | 9.7 Summary of Options | 
 | --makefile | 3.2 What Name to Give Your Makefile | 
 | --makefile | 9.1 Arguments to Specify the Makefile | 
 | --makefile | 9.7 Summary of Options | 
 | --max-load | 5.3 Parallel Execution | 
 | --max-load | 9.7 Summary of Options | 
 | --new-file | 9.3 Instead of Executing the Commands | 
 | --new-file | 9.7 Summary of Options | 
 | --new-file, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | --no-builtin-rules | 9.7 Summary of Options | 
 | --no-builtin-variables | 9.7 Summary of Options | 
 | --no-keep-going | 9.7 Summary of Options | 
 | --no-print-directory | 5.6.4 The `--print-directory' Option | 
 | --no-print-directory | 9.7 Summary of Options | 
 | --old-file | 9.4 Avoiding Recompilation of Some Files | 
 | --old-file | 9.7 Summary of Options | 
 | --old-file, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | --print-data-base | 9.7 Summary of Options | 
 | --print-directory | 9.7 Summary of Options | 
 | --print-directory, and --directory | 5.6.4 The `--print-directory' Option | 
 | --print-directory, and recursion | 5.6.4 The `--print-directory' Option | 
 | --print-directory, disabling | 5.6.4 The `--print-directory' Option | 
 | --question | 9.3 Instead of Executing the Commands | 
 | --question | 9.7 Summary of Options | 
 | --quiet | 5.1 Command Echoing | 
 | --quiet | 9.7 Summary of Options | 
 | --recon | 5.1 Command Echoing | 
 | --recon | 9.3 Instead of Executing the Commands | 
 | --recon | 9.7 Summary of Options | 
 | --silent | 5.1 Command Echoing | 
 | --silent | 9.7 Summary of Options | 
 | --stop | 9.7 Summary of Options | 
 | --touch | 9.3 Instead of Executing the Commands | 
 | --touch | 9.7 Summary of Options | 
 | --touch, and recursion | 5.6.1 How the MAKE Variable Works | 
 | --version | 9.7 Summary of Options | 
 | --warn-undefined-variables | 9.7 Summary of Options | 
 | --what-if | 9.3 Instead of Executing the Commands | 
 | --what-if | 9.7 Summary of Options | 
 | -b | 9.7 Summary of Options | 
 | -B | 9.7 Summary of Options | 
 | -C | 5.6 Recursive Use of make | 
 | -C | 9.7 Summary of Options | 
 | -C, and -w | 5.6.4 The `--print-directory' Option | 
 | -C, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | -d | 9.7 Summary of Options | 
 | -e | 9.7 Summary of Options | 
 | -e (shell flag) | 4.14 Generating Prerequisites Automatically | 
 | -f | 3.2 What Name to Give Your Makefile | 
 | -f | 9.1 Arguments to Specify the Makefile | 
 | -f | 9.7 Summary of Options | 
 | -f, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | -h | 9.7 Summary of Options | 
 | -I | 3.3 Including Other Makefiles | 
 | -i | 5.4 Errors in Commands | 
 | -i | 9.7 Summary of Options | 
 | -I | 9.7 Summary of Options | 
 | -j | 5.3 Parallel Execution | 
 | -j | 9.7 Summary of Options | 
 | -j, and archive update | 11.3 Dangers When Using Archives | 
 | -j, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | -k | 5.4 Errors in Commands | 
 | -k | 9.6 Testing the Compilation of a Program | 
 | -k | 9.7 Summary of Options | 
 | -l | 9.7 Summary of Options | 
 | -l (library search) | 4.5.6 Directory Search for Link Libraries | 
 | -l (load average) | 5.3 Parallel Execution | 
 | -m | 9.7 Summary of Options | 
 | -M (to compiler) | 4.14 Generating Prerequisites Automatically | 
 | -MM (to GNU compiler) | 4.14 Generating Prerequisites Automatically | 
 | -n | 5.1 Command Echoing | 
 | -n | 9.3 Instead of Executing the Commands | 
 | -n | 9.7 Summary of Options | 
 | -o | 9.4 Avoiding Recompilation of Some Files | 
 | -o | 9.7 Summary of Options | 
 | -o, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | -p | 9.7 Summary of Options | 
 | -q | 9.3 Instead of Executing the Commands | 
 | -q | 9.7 Summary of Options | 
 | -R | 9.7 Summary of Options | 
 | -r | 9.7 Summary of Options | 
 | -s | 5.1 Command Echoing | 
 | -S | 9.7 Summary of Options | 
 | -s | 9.7 Summary of Options | 
 | -t | 9.3 Instead of Executing the Commands | 
 | -t | 9.7 Summary of Options | 
 | -t, and recursion | 5.6.1 How the MAKE Variable Works | 
 | -v | 9.7 Summary of Options | 
 | -w | 9.7 Summary of Options | 
 | -W | 9.3 Instead of Executing the Commands | 
 | -W | 9.7 Summary of Options | 
 | -w, and -C | 5.6.4 The `--print-directory' Option | 
 | -W, and recursion | 5.6.3 Communicating Options to a Sub-make | 
 | -w, and recursion | 5.6.4 The `--print-directory' Option | 
 | -w, disabling | 5.6.4 The `--print-directory' Option | 
 
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