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yosifkityosifkit
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Add explanation for clfags and ldflags
1 parent cae3c03 commit 0311282

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‎5.6/Dockerfile‎

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Original file line numberDiff line numberDiff line change
@@ -32,6 +32,12 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
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##<autogenerated>##
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##</autogenerated>##
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# Apply stack smash protection to functions using local buffers and alloca()
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# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
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# Enable optimization (-O2)
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# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
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# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
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# https://github.com/docker-library/php/issues/272
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ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
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ENV CPPFLAGS="$CFLAGS"
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ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

‎5.6/alpine/Dockerfile‎

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Original file line numberDiff line numberDiff line change
@@ -37,6 +37,12 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
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##<autogenerated>##
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##</autogenerated>##
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# Apply stack smash protection to functions using local buffers and alloca()
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# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
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# Enable optimization (-O2)
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# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
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# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
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# https://github.com/docker-library/php/issues/272
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ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
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ENV CPPFLAGS="$CFLAGS"
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ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

‎5.6/apache/Dockerfile‎

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Original file line numberDiff line numberDiff line change
@@ -88,6 +88,12 @@ ENV PHP_EXTRA_BUILD_DEPS apache2-dev
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ENV PHP_EXTRA_CONFIGURE_ARGS --with-apxs2
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##</autogenerated>##
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# Apply stack smash protection to functions using local buffers and alloca()
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# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
93+
# Enable optimization (-O2)
94+
# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
95+
# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
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# https://github.com/docker-library/php/issues/272
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ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
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ENV CPPFLAGS="$CFLAGS"
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ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

‎5.6/fpm/Dockerfile‎

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Original file line numberDiff line numberDiff line change
@@ -33,6 +33,12 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
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ENV PHP_EXTRA_CONFIGURE_ARGS --enable-fpm --with-fpm-user=www-data --with-fpm-group=www-data
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##</autogenerated>##
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# Apply stack smash protection to functions using local buffers and alloca()
37+
# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
38+
# Enable optimization (-O2)
39+
# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
40+
# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
41+
# https://github.com/docker-library/php/issues/272
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ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
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ENV CPPFLAGS="$CFLAGS"
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ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

‎5.6/fpm/alpine/Dockerfile‎

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Original file line numberDiff line numberDiff line change
@@ -38,6 +38,12 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
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ENV PHP_EXTRA_CONFIGURE_ARGS --enable-fpm --with-fpm-user=www-data --with-fpm-group=www-data
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##</autogenerated>##
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# Apply stack smash protection to functions using local buffers and alloca()
42+
# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
43+
# Enable optimization (-O2)
44+
# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
45+
# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
46+
# https://github.com/docker-library/php/issues/272
4147
ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
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ENV CPPFLAGS="$CFLAGS"
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ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

‎5.6/zts/Dockerfile‎

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Original file line numberDiff line numberDiff line change
@@ -33,6 +33,12 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
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ENV PHP_EXTRA_CONFIGURE_ARGS --enable-maintainer-zts
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##</autogenerated>##
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# Apply stack smash protection to functions using local buffers and alloca()
37+
# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
38+
# Enable optimization (-O2)
39+
# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
40+
# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
41+
# https://github.com/docker-library/php/issues/272
3642
ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
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ENV CPPFLAGS="$CFLAGS"
3844
ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

‎5.6/zts/alpine/Dockerfile‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -38,6 +38,12 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
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ENV PHP_EXTRA_CONFIGURE_ARGS --enable-maintainer-zts
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##</autogenerated>##
4040

41+
# Apply stack smash protection to functions using local buffers and alloca()
42+
# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
43+
# Enable optimization (-O2)
44+
# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
45+
# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
46+
# https://github.com/docker-library/php/issues/272
4147
ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
4248
ENV CPPFLAGS="$CFLAGS"
4349
ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

‎7.0/Dockerfile‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -32,6 +32,12 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
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##<autogenerated>##
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##</autogenerated>##
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# Apply stack smash protection to functions using local buffers and alloca()
36+
# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
37+
# Enable optimization (-O2)
38+
# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
39+
# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
40+
# https://github.com/docker-library/php/issues/272
3541
ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
3642
ENV CPPFLAGS="$CFLAGS"
3743
ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

‎7.0/alpine/Dockerfile‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -37,6 +37,12 @@ RUN mkdir -p $PHP_INI_DIR/conf.d
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##<autogenerated>##
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##</autogenerated>##
3939

40+
# Apply stack smash protection to functions using local buffers and alloca()
41+
# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
42+
# Enable optimization (-O2)
43+
# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
44+
# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
45+
# https://github.com/docker-library/php/issues/272
4046
ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
4147
ENV CPPFLAGS="$CFLAGS"
4248
ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

‎7.0/apache/Dockerfile‎

Lines changed: 6 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -88,6 +88,12 @@ ENV PHP_EXTRA_BUILD_DEPS apache2-dev
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ENV PHP_EXTRA_CONFIGURE_ARGS --with-apxs2
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##</autogenerated>##
9090

91+
# Apply stack smash protection to functions using local buffers and alloca()
92+
# Make PHP's main executable position-independent (improves ASLR security mechanism, and has no performance impact on x86_64)
93+
# Enable optimization (-O2)
94+
# Enable linker optimization (this sorts the hash buckets to improve cache locality, and is non-default)
95+
# Adds GNU HASH segments to generated executables (this is used if present, and is much faster than sysv hash; in this configuration, sysv hash is also generated)
96+
# https://github.com/docker-library/php/issues/272
9197
ENV CFLAGS="-fstack-protector-strong -fpic -fpie -O2"
9298
ENV CPPFLAGS="$CFLAGS"
9399
ENV LDFLAGS="-Wl,-O1 -Wl,--hash-style=both"

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