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configure: grab CPPFLAGS from the environment.

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This is needed in particular for hardening flags.
This commit is contained in:
David Bremner 2013-05-25 22:28:12 -03:00
parent a226183b8d
commit 51b14fb3c3
1 changed files with 5 additions and 0 deletions
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5
configure vendored
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@ -43,6 +43,7 @@ fi
CC=${CC:-gcc}
CXX=${CXX:-g++}
CFLAGS=${CFLAGS:--O2}
CPPFLAGS=${CPPFLAGS:-}
CXXFLAGS=${CXXFLAGS:-\$(CFLAGS)}
LDFLAGS=${LDFLAGS:-}
XAPIAN_CONFIG=${XAPIAN_CONFIG:-xapian-config}
@ -91,6 +92,7 @@ First, some common variables can specified via environment variables:
CC The C compiler to use
CFLAGS Flags to pass to the C compiler
CPPFLAGS Flags to pass to the C preprocessor
CXX The C++ compiler to use
CXXFLAGS Flags to pass to the C compiler
LDFLAGS Flags to pass when linking
@ -615,6 +617,9 @@ EMACS = emacs --quick
# Default FLAGS for C compiler (can be overridden by user such as "make CFLAGS=-g")
CFLAGS = ${CFLAGS}
# Default FLAGS for C preprocessor (can be overridden by user such as "make CPPFLAGS=-I/usr/local/include")
CPPFLAGS = ${CPPFLAGS}
# Default FLAGS for C++ compiler (can be overridden by user such as "make CXXFLAGS=-g")
CXXFLAGS = ${CXXFLAGS}